There is nothing worse than stepping off the Shinkansen, trying to load Google Maps to find your hotel, and seeing that spinning loading wheel of death.

If your rental Pocket WiFi is acting weird—or just flat-out refusing to connect—don’t panic. Before you spend an hour on hold with customer support, try these real-world fixes.

The “It Just Happened” Fixes

If you were online five minutes ago and now you aren’t, it’s usually a tower handover issue.

1. The “Tower Handshake” (Airplane Mode) When you move quickly—like on a bullet train or a subway—your device tries to hold onto the cell tower you left rather than the one you’re near.

• The Fix: Don’t restart the router yet. Instead, toggle Airplane Mode ON on your phone. Count to 5. Turn it OFF.
• Why: This forces your phone to demand a fresh connection from the router, which often wakes the router up to find a stronger local signal.

2. The “Deep Sleep” Restart Most people just tap the power button, which only turns off the screen. That does nothing.

• The Fix: Find the power button and hold it down for a full 10 to 15 seconds. Watch the screen. You want to see the manufacturer logo (SoftBank, Au, Wi-Ho) pop up.
• Why: Pocket WiFi routers are mini-computers; they get “clogged” memory just like a laptop. A full reboot clears the cache.

Symptom 1: “Connected, No Internet” (The Ghost Connection)

Your phone says you have full WiFi bars, but Safari says “Not Connected to Internet.”

This is the most annoying error. It usually means your phone and the router are arguing about IP addresses.

The Fix:

1. Go to your phone’s WiFi settings.
2. Tap the little “i” or gear icon next to your rental network.
3. Select “Forget This Network.”
4. Restart your phone (yes, the phone, not the router).
5. Reconnect and type the password in again.

Pro Tip for iPhone Users: If you used a SIM card in Japan on a previous trip, you might still have an old “Profile” installed that is blocking traffic. Go to Settings > General > VPN & Device Management. If you see a profile there from an old carrier, delete it.

Symptom 2: It’s Painfully Slow (The Dreaded “FUP”)

You have internet, but Instagram images are loading line-by-line like it’s 1999.

If your speed suddenly dropped to a crawl, you likely hit the Fair Usage Policy (FUP). Even “Unlimited” plans in Japan have a “soft cap”—usually 3GB or 10GB in a single day. If you cross it, the carrier (Docomo/SoftBank/Au) automatically strangles your speed to 128kbps.

How to confirm:

• Check the data counter on the device screen (if available). Did you download a huge game or upload a 4K video today?
• The Bad News: You cannot fix this by restarting. The throttle is applied at the network level.
• The Good News: The speed limit usually resets at midnight (00:00) Japanese time. Until then, stick to text-based apps like WhatsApp and Google Maps (Text Mode).

Japan Wireless offers truly unlimited data with no speed throttling, no data caps.

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Symptom 3: “Service Outside” or Red Lights

The device screen says “Service Outside” or shows a red antenna icon.

1. Are you underground? Japanese subway stations usually have great signals, but the tunnels between them can be spotty, especially on deeper lines like the Oedo Line or long tunnels through mountains on the Shinkansen.

• The Fix: Wait 5 minutes until you hit the next station.

2. Are you in “Eco Mode”? Many routers have a “Battery Saver” or “Eco Mode” setting accessible via the touchscreen. This aggressively cuts signal power to save juice.

• The Fix: Tap through the settings gear on the router screen. Ensure “High Performance” or “Standard Mode” is on. “Eco” mode can make the signal weak enough to drop out entirely inside thick concrete buildings.

The Nuclear Option: The Factory Reset

Only do this if the device is totally frozen or glitching out.

Every router has a tiny pinhole button, usually labeled “Reset” or just “R.”

1. Grab a SIM ejector tool (or an earring).
2. With the device powered ON, press and hold that button for 10 seconds.
3. The device will reboot and wipe all custom settings.

Warning: This reverts the password to the default one printed on the sticker on the back of the device. If your rental company gave you a custom easy password on a piece of paper, that won’t work anymore. You must use the one on the sticker.

For more information related to troubleshooting, please refer to Japan Wireless FAQ → Troubleshoot

あわせて読みたい

FAQ | Japan Pocket Wifi & Data Sim Card – Japan Wireless How to rent a pocket wifi in Japan? What is better, a mobile wifi or a prepaid sim card? To help you choose the product that is best suited for your trip, we ha…

When to Contact Support

If you’ve done the “Deep Sleep” restart and the Factory Reset, and you still have a red light in the middle of Tokyo, the SIM card inside might be damaged or the hardware is fried.

Don’t suffer in silence. Contact your rental company immediately (Line/WhatsApp/Email). Most reputable companies (Japan Wireless, Sakura Mobile, etc.) will express mail a replacement unit to your next hotel, often arriving the next morning.

In the rare event of a device issue, Japan Wireless will get you back online fast and at no cost to you. We will instantly send you a free eSIM to use while you wait for your replacement to arrive.

We will ship a replacement router to you, free of charge.

Conclusion: Quick Fix Summary

Most connectivity issues in Japan are temporary glitches. A simple 15-second “Deep Sleep” restart resolves 90% of connection drops. If your internet works but is crawling at 128kbps, you have likely hit the daily data cap—just wait for the midnight reset (00:00 JST).

If you remain offline after a factory reset, do not wait. Contact your provider immediately; most Japanese rental companies can overnight a replacement unit to your next hotel by morning.

The post Japan Pocket WiFi Not Working? Try These Fixes (Real Troubleshooting Guide) appeared first on Japan Wireless | Japan Travel Blog.

You’re packing, your flight to Japan is in a few hours, and you just realized: you forgot to book pocket WiFi. Your first instinct might be, “I’ll just get one at a walk-up counter when I land at Narita or Haneda.” Do not do this. This is the most common and costly mistake last-minute travelers make.

You’ll face massive queues after a 12-hour flight, pay up to 50% more for “walk-up” rates, and—worst of all—they may be sold out of the best unlimited data plans.

There is a much smarter, faster, and cheaper solution.

With Japan Wireless, you can book your pocket WiFi online right now—even from your departure airport—and have it waiting for you with our 2-Hour Express Airport Pickup service. This is our ultimate competitive edge: all the convenience of an airport rental with the savings and guarantee of an online booking.

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How to Get Your Pocket WiFi in 2 Hours (A 3-Step Guide)

This is the fastest, most reliable way to get connected in Japan.

Step 1: Book Online

You can do this from your tablet, or on your phone at your departure airport.

1. Go to the Japan Wireless order page.
2. Choose “Airport “ and select one of these airport counters. Narita Airport, Haneda Airport, Fukuoka Airport, Kansai Airport, New Chitose Airport. Please note that not all airport counters offer 2-hour pickup.
3. Complete payment and check your confirmation email for instructions.

Step 2: Select Your Pickup Time

On the order form, you will see a pickup time.

• The 2-Hour Rule: Simply select a time that is at least 2 hours from the moment you place your order.
• Example: If you are booking at 1:00 PM, you can set your pickup time for any time after 3:00 PM. This gives our airport team time to prepare your kit.

Step 3: Pick Up at the Airport Counter

After you land, clear immigration, and collect your luggage, head to the designated pickup counter in the arrivals hall.

• What You Need: Your passport and your confirmation email (on your phone is fine).
• The Process: Show your email to the staff. They will hand you your pre-packed Pocket Wifi kit (with the device, free power bank, and return envelope). No forms, no extra payment, no hassle.
• You will be online in less than 5 minutes.

What If My Flight Lands Late at Night? (The Other Last-Minute Solution)

Our 2-hour pickup is fantastic, but it relies on the airport counters being open. (e.g., most counters at Narita & Haneda are open from ~6:30 AM to 11:00 PM).

If your flight lands at 1:00 AM, you have a better option: Next-Day Hotel Delivery.

This is our other last-minute service for “Last-Minute Packers.”

How Next-Day Hotel Delivery Works

1. Order by 3:00 PM JST: You must place your order by 3:00 PM (15:00) Japan Standard Time the day before you need it.
2. Use Your Hotel Address: At checkout, select “Hotel Delivery” and enter your hotel’s address.
3. CRITICAL: Use the exact name on your hotel reservation as the recipient.
4. When you check in the next day, your pocket WiFi will be waiting for you at the front desk

Last-Minute FAQ

What if my flight is delayed and I miss my 2-hour pickup time?

Don’t worry. The airport counter will hold your pre-paid order safely. Just pick it up when you arrive, even if it’s a few hours later (as long as the counter is still open).

Which is better: 2-Hour Airport Pickup or Next-Day Hotel Delivery?

Choose 2-Hour Airport Pickup if: Your flight lands during counter opening hours. This is the fastest way to get online (internet at the airport).

Choose Next-Day Hotel Delivery if: Your flight lands very late at night after the counters close. You can use free public WiFi while waiting for the package to arrive.

I’m already in my Tokyo hotel and my eSIM failed! What do I do?

You have two great options:

1. Next-Day Hotel Delivery: Order by 3:00 PM JST today and we will deliver it to your hotel tomorrow morning.
2. Same-Day Pickup: Order online and select “Airport” or Japan Wireless Office (Shimbashi Office or Osaka counter) to get your device within 2-hour.

The post Have Not Booked Japan WiFi? Your Last-Minute Guide to Hotel & Airport Pickup appeared first on Japan Wireless | Japan Travel Blog.

Staying connected in Japan is essential for navigating with Google Maps, using translation apps, and sharing your journey. While e-SIMs are popular, a pocket WiFi device is often the best choice for groups, families, or travelers with multiple devices.

Renting one is incredibly simple. This guide breaks down the entire process into four easy steps.

The 4-Step Guide to Renting Your Japan Pocket WiFi

Step 1: Book Your Pocket WiFi Online (1-3 Weeks Before Your Trip)

This is the most important step, as “on-arrival” rentals are significantly more expensive and may be sold out.

When to Book

• Peak Season (March-May, Oct-Nov): Book at least 3-4 weeks in advance. Cherry blossom and fall foliage seasons see extremely high demand.
• Off-Season: Booking 1-2 weeks in advance is generally safe.

How to Choose Your Plan: Key Factors

When you book, you’ll select a plan. Here is what to look for:

• Data Limit (The “Unlimited” Trap): Most “unlimited” plans have a Fair Usage Policy (FUP). This means that after using a certain amount of data (e.g., 3GB or 5GB) in one day, your speed will be “throttled” (slowed down) until midnight.
  • 3GB/Day: Perfect for 1-2 people for maps, browsing, social media, and light streaming.
  • 5GB-10GB/Day: Better for families or groups who will all be connected, or if you plan to stream videos.
  • Truly Unlimited: A few providers, like Japan Wireless, offer premium plans with no FUP or throttling, which is ideal for business travelers or heavy users.
• Network Coverage: Providers primarily use one of two networks:
  • Docomo: Generally considered the best for wide, rural coverage. If you are hiking or visiting remote countryside, choose a provider on the Docomo network (like Sakura Mobile).
  • SoftBank: Has excellent, fast speeds in all major cities and tourist areas (like Tokyo, Kyoto, Osaka). Most popular budget-friendly providers (like Ninja WiFi) use SoftBank.
• Battery Life: Most devices last 8-12 hours. It is highly recommended to also carry a portable power bank to ensure your device lasts the entire day.
• Number of Devices: Most models allow you to connect 10-15 devices simultaneously.

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Step 2: Choose Your Pickup Location (Airport or Hotel)

During the online booking, you will select where to pick up the device. This choice depends entirely on your arrival time and convenience.

Option 1: Airport Pickup (Most Popular)

This is the most common method, allowing you to get connected the moment you clear customs.

• Pros: Instant internet access for navigating to your hotel.
• Cons: Rental counters have set operating hours (e.g., 7:00 AM to 9:00 PM).
• Pickup Location: You will pick it up from one of two places in the arrivals hall:
  1. A staffed provider counter.
  2. An airport post office counter.

Common Pitfall: The Late-Night Arrival What if your flight lands at 11:00 PM and the counters are closed? You have two solutions:

1. 24/7 Pickup: Some providers offer pickup from 24/7 locations, like a specific post office in Haneda or Narita, or automated lockers.
2. Hotel Delivery: This is the safest option for late-night arrivals.

Option 2: Hotel Delivery

You can have the device delivered directly to your hotel’s front desk.

• Pros: It will be waiting for you when you check in, with no lines. This is the best solution for late-flight arrivals.
• Cons: You will not have WiFi to get you from the airport to your hotel (a good workaround is to use the free airport WiFi to download an offline Google Map).

Expert Tip: Match Your Names! If you choose hotel delivery, you must enter the booking name exactly as it appears on your hotel reservation. If the names do not match, the hotel front desk may refuse to accept the package.

Step 3: Pick Up and Activate Your Device Upon Arrival

Once you arrive in Japan, follow your pickup instructions.

The Pickup Process

• At the Airport: Go to the counter or post office specified in your confirmation email. Show them your passport and confirmation email (on your phone is fine).
• At the Hotel: Simply tell the front desk, “I have a package waiting for me.”

You will be handed a small, zipped pouch.

What’s in the Pouch?

• The Pocket WiFi device itself.
• A USB charging cable and an AC wall adapter.
• A portable power bank (if you ordered one, or if it was included at no additional cost with your Japan Wireless WiFi order).
• An instruction manual.
• Crucially: A pre-paid, pre-addressed return envelope. (Do not lose this!)

How to Activate (It Takes 30 Seconds)

1. Turn on the device by holding the power button.
2. On the device’s screen, find the network name (SSID) and the password (Key/WPA).
3. On your phone, go to Settings > WiFi.
4. Select the SSID from the list of available networks.
5. Enter the password when prompted.
6. You are now connected to the internet.

Step 4: Return the Device Before Your Departure

Returning the device is even easier than picking it up.

The Return Process

1. At the end of your trip (on your last day), place the pocket WiFi device, all cables, and any accessories back into the pre-paid return envelope provided in the pouch.
2. Seal the envelope.
3. Drop the sealed envelope into any bright red Japan Post mailbox in the country.

Where to Find a Mailbox

• On almost any major street corner.
• Inside many convenience stores (like Lawson or FamilyMart).
• The Best Option: Inside your departure airport (e.g., Narita, Haneda, Kansai). There are always mailboxes in the terminal before you go through security and immigration.

Common Pitfall: Forgetting to Return If you accidentally take the device home, you will be charged expensive daily late fees and you will have to pay for costly international shipping (like DHL or EMS) to send it back.

What if I lose the return envelope? Don’t panic. Go to any convenience store (Lawson is best) or post office and purchase a “Letter Pack Light” envelope (it’s blue and costs around 430 JPY). Place the items inside, and you can still drop this in any mailbox. You will need to write the provider’s return address on it (check their website).

Comparing Top Pocket WiFi Providers in Japan

To help with Step 1, here is a quick comparison of the most common providers.

Japan Wireless | Japan Travel Bl…

Stay Connected in Japan: The Ultimate Guide to Pocket WiFi Rental – Japan Wireless | Japan Travel Bl… Traveling to Japan is filled with breathtaking scenery, delicious cuisine, and rich culture. However, staying connected while exploring can significantly enhanc…

Summary: Your 4-Step Rental Checklist

1. Book Online: 1-3 weeks in advance. Choose a Docomo network plan for rural trips or SoftBank for city trips.
2. Select Pickup: Choose Airport Pickup for immediate connection or Hotel Delivery if you arrive late at night.
3. Activate: Turn on the device, find the SSID/Password on the back, and connect your phone.
4. Return: Place everything in the pre-paid envelope and drop it in any red mailbox before you fly home.

The post How to Rent Pocket WiFi in Japan: A Simple 4-Step Guide appeared first on Japan Wireless | Japan Travel Blog.

Planning a Trip to Japan for Autumn 2025? Here’s Your Connectivity Guide.

Japan’s Momiji (Autumn Foliage) season is a breathtaking spectacle of fiery red and golden foliage, drawing millions of visitors from September to early December. As you plan your 2025 autumn adventure, arranging your internet access is as crucial as booking your flights. Demand for pocket WiFi rentals in Japan skyrockets during this peak season, and booking early is essential. This guide explains why and how to secure the best device for your trip.

Why You Absolutely Need a Pocket WiFi for Japan’s Momiji Season

While your home carrier’s roaming plan might seem convenient, a dedicated pocket WiFi is a game-changer for navigating Japan’s stunning, and sometimes remote, autumn landscapes.

• Seamless Navigation: Google Maps is your best friend for finding hidden temples in Kyoto or timing the train to Nikko. A reliable connection is non-negotiable.
• Instant Sharing: You’ll be taking hundreds of photos and videos. Instantly upload them to Instagram or share them with family back home without worrying about slow public WiFi or costly data charges.
• Translation on the Go: Effortlessly translate menus, signs, and conversations with locals using apps like Google Translate.
• Connect Multiple Devices: A single pocket WiFi device can connect your phone, laptop, and tablet, and even share the connection with your travel companions—far more cost-effective than multiple SIM cards or roaming plans.

When to Book Your Pocket WiFi for Autumn 2025

The golden rule for Momiji season is to book your pocket WiFi 1-2 months in advance. For a trip in late October or November 2025, you should be finalizing your rental by late July or August.

High demand means the best providers often run out of devices, especially those offering unlimited data and long battery life. Waiting until the last minute can leave you with limited options, higher prices, or no device at all.

How to Choose the Best Pocket WiFi for Your Japan Trip

Not all rentals are created equal. Focus on these key features to ensure you get a device that meets your needs.

Data Plan: Unlimited is the Only Way to Go

During a visually rich trip like Momiji season, you’ll use more data than you think—for navigation, streaming, and uploading high-resolution photos. A capped plan can run out quickly, leaving you disconnected. Always opt for a provider offering truly unlimited 4G/5G data.

Battery Life: Aim for 10+ Hours

You’ll be out from dawn until dusk chasing the best autumn colors. The last thing you want is a dead WiFi device by lunchtime. Look for models that promise at least 10-15 hours of continuous use. It’s also wise to carry a small power bank as a backup.

Pickup & Return: Convenience is Key

The most reputable companies offer several flexible options:

• Airport Pickup: This is the most popular choice. Simply pick up your device from a counter at your arrival airport (Narita, Haneda, Kansai, etc.) right after you clear customs.
• Hotel Delivery: Have the device delivered directly to your hotel, waiting for you at check-in.
• Postal Return: Most providers include a prepaid return envelope. Just drop the device in any mailbox in Japan before you depart.

Japan Wireless | Japan Travel Bl…

Stay Connected in Japan: The Ultimate Guide to Pocket WiFi Rental – Japan Wireless | Japan Travel Bl… Traveling to Japan is filled with breathtaking scenery, delicious cuisine, and rich culture. However, staying connected while exploring can significantly enhanc…

Pocket WiFi vs. SIM/eSIM: Which Is Right for You?

This is a common question, and the answer depends on your travel style.

• Choose Pocket WiFi if: You are traveling in a group, have multiple devices to connect (phone, laptop, etc.), or want the simplest plug-and-play solution without altering your phone’s settings.
• Choose a SIM/eSIM if: You are a solo traveler, only need to connect your phone, and are comfortable with changing your phone’s SIM settings. An eSIM is a digital SIM that allows you to activate a cellular plan without having to use a physical SIM card.

For most travelers, especially families and groups, the shared connectivity and simplicity of a pocket WiFi rental offer superior value and convenience.

For detailed comparison, check the following post

Japan Wireless | Japan Travel Bl…

Pocket WiFi or eSIM for Your Family Trip to Japan? A 2025 Cost & Convenience Breakdown – Japan Wirel… Planning a family adventure to Japan is an exhilarating experience filled with dreams of dazzling cityscapes, serene temples, and incredible food. But in a coun…

Final Checklist & Pro Tips

• Book Early: Reserve your device by August 2025 for your autumn trip.
• Confirm Unlimited Data: Don’t settle for a limited plan (1Gb/day, 3Gb/day) or “fake” unlimited plan.
• Check Battery Specs: Ensure it will last a full day of exploring.
• Arrange Airport Pickup: It’s the easiest way to get connected the moment you land.
• Pack a Power Bank: A crucial backup for long days.

Securing your pocket WiFi early is a small step in your planning that guarantees a smooth, connected, and unforgettable Momiji season adventure in Japan.

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The post WiFi Rental in Japan During Momiji Season (Autumn 2025): What to Book Early appeared first on Japan Wireless | Japan Travel Blog.

Traveling to Japan with family or friends is an incredible experience, but keeping everyone connected can be a challenge. How do you share photos, navigate with Google Maps on multiple phones, and coordinate plans without breaking the bank? The two main solutions are renting a single Pocket WiFi or buying multiple individual SIM cards or eSIMs.

For most travel groups, a Pocket WiFi is the superior choice for its simplicity, cost-effectiveness, and ease of management. However, for groups that plan to separate often, multiple eSIMs offer greater individual freedom. This guide breaks down every factor to help you make the perfect choice for your trip.

Quick Answer: Which Is Best for Your Group?

Here’s a quick summary to help you decide.

Choose a Pocket WiFi if:

• You are a family or a close-knit group that will spend most of the day together.
• You are budget-conscious and want the lowest cost per person.
• You want the simplest setup possible (turn on one device, and everyone connects).
• You have multiple devices per person (laptops, tablets, phones).

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Choose Multiple SIMs/eSIMs if:

• Your group members frequently split up to explore different interests.
• Individual independence is your top priority.
• You don’t want to carry and charge an extra device.
• Everyone in your group is comfortable setting up a SIM or eSIM on their own phone.

What is a Pocket WiFi? The Group’s Shared Hub

A Pocket WiFi is a small, portable mobile hotspot. You rent one for the duration of your trip, and it uses a local Japanese mobile network (like Docomo or SoftBank) to create a private, secure Wi-Fi network. Your entire group can then connect their phones, tablets, and laptops to this single device.

Pros for Group Travelers

• Cost-Effective: Renting one device is almost always cheaper than buying 3, 4, or more individual high-speed data SIMs. The cost per person drops significantly as your group size increases.
• Simplicity: There is only one device to manage. Once it’s on, everyone can connect using a simple password, just like your Wi-Fi at home. There are no individual phone settings to configure.
• Connects Multiple Devices: Most models allow 5-10 devices to connect simultaneously. This is perfect for individuals with a phone, a laptop, and a tablet, or a family where everyone has a device.
• Seamless Experience: The connection is shared instantly. There’s no need to ask someone to turn on their hotspot and drain their phone battery.

Cons for Group Travelers

• Proximity Required: The group must stay relatively close to the person carrying the Pocket WiFi (typically within a 10-15 meter radius). If you split up, some members will lose their connection.
• Battery Dependent: It’s another device to charge every night. While most have a battery life of 8-12 hours, you might need a power bank for long days of exploring.
• Single Point of Failure: If the device is lost, damaged, or runs out of battery, the entire group loses internet access.

Making the Right Choice: Scenario-Based Recommendations

• For the Family with Kids: Pocket WiFi is the clear winner. It’s the most affordable and simplest way to keep everyone’s iPads and phones connected in the hotel and on the Shinkansen. Since you’ll likely be sticking together, the proximity limitation is not an issue.
• For the Group of Friends Exploring Tokyo: This could go either way. If you plan to split up to visit different shops in Shibuya or explore separate districts, the independence of Multiple eSIMs is invaluable. If you’re a group that sticks together, a Pocket WiFi will save you money for more ramen and souvenirs.
• For a Mixed-Needs Group: Consider a hybrid approach. Rent one Pocket WiFi for the main group to share and buy one eSIM for a designated person who might need to split off for a business meeting or separate errand.

Final Verdict: Simplicity and Value Win for Groups

For the vast majority of groups and families traveling to Japan, renting a Pocket WiFi is the most logical, convenient, and budget-friendly choice.

It simplifies connectivity into a single, shareable hub, ensuring everyone can access high-speed internet without draining their phone batteries or dealing with complicated individual setups. While eSIMs offer unparalleled independence, the cost and coordination required often outweigh the benefits unless your group has firm plans to separate for extended periods.

By choosing a reliable Pocket WiFi, you’re not just renting a device; you’re ensuring your group stays connected seamlessly, allowing you to focus on what truly matters: enjoying your incredible journey through Japan together.

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The post Internet Guide for Group Travelers: Pocket WiFi vs Multiple SIMs/eSIMs appeared first on Japan Wireless | Japan Travel Blog.

The Quick Answer: Data Recommendations for Japan

Planning a trip to Japan is exciting, but figuring out your mobile data needs can be confusing. Here’s a quick guide to get you started.

• Light User (Up to 1 GB per day): You primarily use data for maps, messaging, and light browsing. A plan with 10-15 GB is perfect for a 10-day trip.
• Moderate User (1-2 GB per day): You do everything a light user does, plus regularly post on social media (including stories) and stream some music. Aim for 20-30 GB for a 10-day trip.
• Heavy User / Family (3+ GB per day): You stream videos, make frequent video calls, upload high-resolution photos/videos, or are sharing a connection with family. Unlimited data is your best and most stress-free option.

Japan Wireless offers truly unlimited data with no speed throttling, no data caps.

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• Unlimited Data, No Throttling
• Power bank provided for free!
• 10-hour battery life
• Connect up to 10 Devices

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This guide will break down exactly how to calculate your needs so you can choose the perfect data plan.

Understanding Your Daily Data Usage in Japan

Different apps consume data at vastly different rates. Knowing where your gigabytes go is the first step to choosing the right plan. Here’s a typical breakdown of data consumption for common travel activities.

As you can see, navigation and messaging use very little data, while video streaming and social media uploads are the biggest consumers.

How to Check Your Own Data Usage (iOS & Android)

The best way to estimate your future data needs is to understand your past usage. Your smartphone already tracks which apps consume the most data. Check your usage on a typical day to get a personalized baseline before your trip.

For iPhone (iOS) Users

1. Go to Settings.
2. Tap on Mobile Service.
3. Scroll down to the “Mobile Data” section. You will see a list of all your apps with the amount of data each has used under its name.
4. This list shows usage for the “Current Period.” To get a clear picture, you can scroll to the very bottom and tap Reset Statistics at the beginning of a normal day, then check back 24 hours later.

For Android Users

The steps/menu can vary slightly depending on your phone’s manufacturer (e.g., Samsung, Google Pixel), but the process is generally similar.

1. Go to Settings.
2. Tap on Network & internet (or Connections).
3. Select Data usage or Mobile data usage.
4. Here you can view a graph of your total usage for a specific period and a ranked list of which apps have consumed the most data.

By performing this quick data audit, you can more accurately place yourself in one of the traveler profiles below.

The Japan Data Calculator: Which Traveler Type Are You?

Find the profile that best matches your travel style to estimate your data needs for the entire trip.

The “Essentialist” Traveler (Light User)

• Who you are: You use your phone for the essentials: Google Maps to navigate the Tokyo subway, WhatsApp to message family, and occasional web browsing to check restaurant reviews. You connect to hotel WiFi in the evenings.
• Typical Daily Usage: 500 MB – 1 GB
• Recommendation for a 14-day trip: A 15-20 GB plan will be more than enough.

The “Social Sharer” Traveler (Moderate User)

• Who you are: You do all the essential tasks, but you also love sharing your journey. You post photos to your Instagram feed, upload video stories, and stream Spotify.
• Typical Daily Usage: 1.5 GB – 2.5 GB
• Recommendation for a 14-day trip: Look for a 30-50 GB plan. This gives you plenty of buffer without worrying about running out.

The “Always-On” Traveler or Family (Heavy User)

• Who you are: You are a content creator, a remote worker, or a family traveling with multiple devices (phones, tablets). You stream videos for the kids, take long video calls, upload high-res videos to YouTube, and need a constant, reliable connection for everyone.
• Typical Daily Usage: 3 GB+
• Recommendation for a 14-day trip: Don’t even consider a limited plan. An unlimited data pocket WiFi is the most cost-effective and stress-free solution. It allows multiple users to connect simultaneously without worrying about hitting a data cap.

Pro Tips to Save Data on Your Japan Trip

Even with a generous plan, it’s smart to be efficient.

1. Download Offline Maps: Before you leave, download maps of Tokyo, Kyoto, and Osaka in the Google Maps app. This allows for navigation with almost zero data usage.
2. Adjust App Settings: Set apps like Instagram and TikTok to not pre-load videos on cellular data. Change your photo backup settings and automatic app update to “WiFi only.”
3. Pre-download Entertainment: Download your favorite Netflix shows, YouTube videos, and Spotify playlists before you leave your hotel.

Frequently Asked Questions

Is 10 GB of data enough for a week in Japan?

For a light user focused on maps and messaging, 10 GB is likely sufficient for 7 days. However, if you plan to surf social media or stream content, you may run out. An unlimited plan would be safer and offer a peace-of-mind trip.

Do I really need unlimited data in Japan?

If you are traveling in a group, rely on video for work or social media, or simply want peace of mind, then yes. Unlimited data removes all anxiety about tracking usage and allows you to use your devices just like you do at home.

Is it better to get a pocket WiFi or an eSIM for Japan?

It depends on your needs. For a solo, light user with a compatible phone, an eSIM is a great, convenient option. For families, groups, or anyone with multiple devices or high data needs, a pocket WiFi is almost always the superior and more economical choice.

Conclusion: Stay Connected, Stay Stress-Free

Choosing the right amount of data comes down to your personal travel style. By using our guide and understanding your options, you can make an informed decision.

For the ultimate peace of mind and the power to connect all your devices without limits, an unlimited data pocket WiFi remains the top recommendation for most visitors to Japan. It ensures you’re always connected, whether you’re navigating japan bullet train station or sharing a beautiful moment from a Kyoto temple.

The post How Many GB Do You Need for a Japan Trip? A 2025 Data Calculator Guide appeared first on Japan Wireless | Japan Travel Blog.

For many travelers, securing a pocket WiFi is a top priority for a seamless trip to Japan. The promise of “unlimited data” for a flat daily rate seems perfect. However, what many rental agreements don’t advertise are the potential hidden costs and “gotchas” that can turn a budget-friendly rental into an expensive surprise.

As experts in connectivity solutions for travelers in Japan, we are here to break down every potential extra charge you might encounter. This guide will help you rent with confidence and keep your budget intact.

The “Unlimited” Data Illusion: Fair Usage Policy (FUP)

The single most common source of unexpected issues is the Fair Usage Policy (FUP). While a plan may be marketed as “unlimited,” nearly every provider enforces an FUP to prevent network abuse.

• What it is: A clause in your rental agreement that allows the provider to drastically slow down your internet speed (a practice called throttling) if you exceed a certain amount of data in a specific period (usually a day or a 3-day window).
• The Trap: You might use 3GB or 5GB of data in one day by streaming video or uploading photos, and suddenly your connection slows to a crawl (e.g., 128 kbps), making it unusable for anything but basic messaging.
• How to Avoid It: Before renting, search the provider’s FAQ or Terms & Conditions for “Fair Usage Policy,” “FUP,” “throttling,” or “speed restriction.” Know the daily limit and plan your heavy data usage accordingly.

Japan Wireless | Japan Travel Bl…

Navigating the “Unlimited” Maze: The Definitive Guide to Pocket WiFi Data in Japan – Japan Wireless … You’ve booked the flights, planned the itinerary, and dreamt of the temples, cuisine, and neon-lit cityscapes. Your trip to Japan is set to be an adventure of a…

A Checklist of Potential Hidden Costs

Beyond data throttling, a range of other fees can appear on your final bill. Here’s what to watch for.

Insurance: Optional but Risky to Skip

Providers offer insurance plans that cover loss, theft, or damage. While it adds to the daily cost, declining it can be a massive financial risk.

• Standard Fee: Typically ranges from ¥200 to ¥500 per day.
• Cost Without Insurance: Losing or breaking the device can result in a penalty of ¥20,000 to ¥40,000 ($135 – $270 USD). The fee for a lost pouch or charging cable can be ¥1,000 or more.

Loss, Theft, or Damage Fees

Even with basic insurance, you may not be fully covered. Some policies only reduce the penalty fee rather than eliminating it entirely. Always read the fine print on what the insurance covers.

Service & Delivery Fees

Either airport pickup or hotel delivery may not be free.

• Airport Pickup Fee: Some providers charge an administrative/ service fee of ¥500 – ¥1,000 for airport counter service.
• Hotel Delivery: Similar fees may apply for delivery to your hotel.
• Return Postage: Most rentals include a prepaid return envelope. Losing this can result in you paying for tracked shipping yourself.

Late Return Penalties

Rental periods are strict. If your plan ends on the 10th, you must typically post the device by the morning of the 11th. Late returns are charged at a premium daily rate, often ¥700 to ¥1,200 per day, which is significantly higher than your original rental rate.

Cancellation Fees

Plans can change. If you need to cancel your booking, be aware of the policy. Free cancellation is usually available up to 3–4 days before your rental start date, or before the package has been shipped. Canceling closer to the date can incur a fee of 20% to 100% of the total rental cost.

Included Accessories vs. Paid Add-ons

Does your rental come with everything you need? Don’t assume. The base rental price might only include the device and a USB cable. A crucial wall charger or a portable battery (power bank) might be an extra daily charge. Verify what’s in the standard kit.

When you rent a pocket WiFi from Japan Wireless, a power bank and charging cable are included with every rental at no extra cost, so you’re covered from day one.

How to Avoid These Hidden Costs: A Traveler’s Guide

1. Read the Terms & Conditions: Specifically search for the FUP, cancellation policy, and loss/damage fees.
2. Clarify Insurance Coverage: Understand if the insurance eliminates the replacement fee or just reduces it.
3. Confirm the Full Package: Check if a wall adapter and power bank are included or cost extra.
4. Know Your Return Deadline: Set a reminder on your phone for when and how you need to return the device.
5. Compare “All-In” Prices: Don’t just look at the headline daily rate. Add up the base rate, insurance, and any potential fees to compare the true cost between providers.

Final Verdict: Is Pocket WiFi Still a Good Choice?

Yes, absolutely. Pocket WiFi remains an excellent, powerful solution for staying connected in Japan. The key is to go into the rental process as an informed consumer. By understanding the Fair Usage Policy and being aware of the potential extra fees outlined above, you can take full advantage of the convenience without any unpleasant surprises.

Bonus: Frequently Asked Questions (FAQ)

Is pocket wifi insurance in Japan worth it?

In most cases, yes. The small daily fee (around ¥300) is a fraction of the potential ¥40,000 penalty for losing or damaging the device, making it a worthwhile investment for peace of mind.

What happens if I go over the data limit on my Japan pocket wifi or encounter FUP?

You won’t be charged extra money. Instead, your provider will enforce the Fair Usage Policy and “throttle” your internet speed, making it extremely slow until the next day (Japan Standard Time). However, Japan Wireless offers truly unlimited data with no speed throttling, no data caps.

Can I extend my pocket wifi rental while I’m in Japan?

Most Japan pocket wifi rentals allow this, but you must contact them before your rental period ends. They will instruct you on how to pay for the extension. Simply keeping the device without notifying them will result in expensive late fees.

JAPAN WIRELESS RATE

The post Hidden Costs of Pocket WiFi in Japan: What Travelers Must Know appeared first on Japan Wireless | Japan Travel Blog.

What Is an eSIM and Why Use One in Japan?

An eSIM (embedded SIM) is a digital SIM card built directly into your device. It allows you to activate a mobile data plan without inserting a physical card. For travelers to Japan, this is incredibly convenient – you can purchase and activate a local plan online before or upon arrival. That means no searching for SIM vendors or waiting for delivery.

With eSIM, you can also keep your primary SIM installed (to retain your home number) while using a local data plan on the same phone. This dual-SIM feature keeps you connected for maps, messaging, and more. It’s quick to set up, secure (no physical card to lose), and ideal for travelers.

How to Check if Your Phone Supports eSIM

Before purchasing, confirm that your device supports eSIM. Most recent smartphones do, but here’s how to be sure:

• Settings: On iPhone, go to Settings > Cellular. On Android, check Connections > SIM Card Manager. If you see “Add eSIM” or “Add Mobile Plan,” your phone supports it.
  
• Dial Code: Dial *#06#. If an EID number appears alongside the IMEI, your device has eSIM capability.
  
• Model Check: iPhone XR/XS or later, Samsung Galaxy S20 or later, and Pixel 3 or later all support eSIM.
  

Your phone must also be unlocked to accept an eSIM from a third party.

List of eSIM Compatible Devices

Apple iPhones, iPads, and Watches

Apple introduced eSIM early. All iPhones from XR/XS (2018) onwards are compatible, including the latest iPhone 17 and Air/Pro/Pro Max. Many iPads with cellular capability from 2018 onward also include eSIM, as do Apple Watches with LTE (Series 3+).

Note: iPhones sold in mainland China and some Hong Kong variants don’t include eSIM.

Samsung Galaxy

Most Samsung flagships since the Galaxy S20 (S20, S21, S22, S23, S24, etc.) support eSIM. Foldables (Galaxy Z Fold/Flip) and Note20/Note20 Ultra are also included. Some mid-range devices like the Galaxy A54 5G and successors now support eSIM in certain regions.

Regional differences exist, so always confirm your specific model.

Google Pixel

Pixel phones have strong eSIM support. Starting with Pixel 3, every model up to Pixel 10 includes eSIM. Most also support dual SIM (one physical, one eSIM).

Other Android Brands

• Huawei: P40 and P40 Pro supported eSIM, but later models are limited.
  
• Xiaomi: Recent 12T Pro, 13/14 series, and some Redmi/Xiaomi 15 series have eSIM.
  
• Oppo: Select models like Find X3 Pro and X5 series support it.
  
• Sony: Xperia 10 III Lite, Xperia 10 IV, and certain Xperia 1/5 IV variants include eSIM.
  
• Motorola: Razr foldables (2019+).
  
• Other brands: Some niche or regional phones (Rakuten Mini, DOOGEE V30, etc.) also have eSIM.
  

In 2023, more than 130 smartphone models worldwide included eSIM, and the number keeps growing.

Laptops and Tablets

Certain laptops and tablets also include eSIM, such as Microsoft Surface Pro X/Pro 9 LTE, Lenovo ThinkPad X1 Carbon 5G, and HP LTE laptops. Samsung Galaxy Tab S7+ 5G and later models also support eSIM. Windows 10/11 devices with cellular modules can add an eSIM plan directly in settings.

Best eSIM Plans for Tourists in Japan

With compatibility confirmed, here’s why prepaid tourist eSIMs are the best way to stay connected:

• Instant Activation: Purchase online, receive a QR code, and activate in minutes. No physical card or airport pickup.
  
• Affordable Data Options: Plans start from short 3-day unlimited packages to 30-day options with large data allowances. Expect pricing around $19 USD for 3 days, or ~$21 for a week with high-speed data followed by unlimited low-speed.
  
• Reliable Coverage: Powered by top Japanese carriers like NTT Docomo and Softbank, you’ll have strong 4G/LTE coverage across major cities and tourist destinations.
  
• Flexible Durations: Options include 3, 7, 15, and 30 days. Top-up is available if you extend your stay.
  
• Customer Support: English-language support is available daily via email and chat, with troubleshooting guides provided.
  

Final Tips

To make your trip seamless:

1. Unlock your device before travel, if it’s carrier-locked.
   
2. Save your QR code offline (screenshot or print).
   
3. Follow setup instructions carefully: On iPhone, go to Settings > Cellular > Add Cellular Plan. On Android, check Network & Internet > Add eSIM.
   

With an eSIM-ready device and a prepaid plan, you’ll be connected the moment you land. No SIM swaps, no queues, just smooth connectivity for maps, translation, and sharing your journey.

The post Complete Guide to Japan eSIM Capable Devices and Best Plans for Tourists appeared first on Japan Wireless | Japan Travel Blog.

As you step off the plane at Narita or into a downtown Starbucks, you’ll be greeted by dozens of “Free Wi-Fi” networks. The convenience is undeniable, especially after a long flight. But as you prepare to connect and enter your passwords, a critical question should cross your mind: just how safe is it?

For years, travelers have debated convenience versus security. This guide will break down the security differences between Japan’s public Wi-Fi and a personal pocket WiFi, helping you make the smartest choice for your trip.

Understanding the Risks of Public Wi-Fi in Japan

Public Wi-Fi, by its very nature, is an open network designed for easy access. This openness is its greatest weakness. When you connect to a free network at an airport, cafe, or train station, you face several potential threats.

The “Man-in-the-Middle” Attack

This is the most common risk. A hacker on the same public network can position themselves between your device and the internet connection point. Without you knowing, all your data—passwords, bank details, private messages—can be intercepted.

Unencrypted Networks

Many free Wi-Fi hotspots do not encrypt the data sent over them. This is like sending a postcard instead of a sealed letter; anyone who cares to look can read its contents. Your sensitive information is transmitted in plain text, visible to snoopers.

Malicious Hotspots

Hackers can set up fake Wi-Fi hotspots with familiar names like “Starbucks_Free_WiFi” or “Airport_WiFi_Official.” Once you connect to their trap network, they can steal your data or even install malware on your device.

How a Pocket WiFi Creates a Secure, Private Network

A pocket WiFi, or personal hotspot, functions completely differently. Instead of joining an open, shared network, you are creating your own private, secure bubble of internet access.

WPA2/WPA3 Encryption

Reputable pocket WiFi rentals use strong encryption protocols (WPA2 or the newer WPA3). This acts as a powerful digital lock, scrambling all the data sent between your devices and the hotspot. Even if a hacker could somehow intercept the data, it would be unreadable gibberish.

Your Personal, Private Password

You are the only one with the password to your network. Unlike public Wi-Fi where hundreds of strangers are on the same network, your pocket WiFi is a closed circle of trust for only you and your travel companions.

Built-in Firewall

Modern pocket WiFi devices have a built-in firewall that acts as a barrier, preventing unauthorized access to your devices from the internet and adding another critical layer of security.

The Verdict: A Head-to-Head Security Comparison

When you place them side-by-side, the difference is stark.

Choosing a Secure Pocket WiFi Provider

For travelers who need a guaranteed secure connection—especially those on business trips or anyone handling sensitive information—a pocket WiFi is the only logical choice. When renting, look for a provider that emphasizes security:

• Modern Devices: Ensure the provider, offers modern devices that support the latest WPA2 or WPA3 security standards.
• Clear Security Practices: The company should provide a unique, strong password for each device.
• Reliable Network: A secure device is only useful if it has a good signal. Choosing a provider on a robust network like Docomo ensures both security and coverage.

Conclusion: The Clear Choice for Peace of Mind

While Japan’s public Wi-Fi can be useful for a quick, non-sensitive search, it is not a secure solution for your daily internet needs. The risks of dxata theft and snooping are simply too high.

A Japan Pocket WiFi is fundamentally safer. It provides a private, encrypted, and password-protected connection that you control. For the modern traveler, the small rental cost is an invaluable investment in digital security and peace of mind, allowing you to navigate, work, and share your Japanese adventure without worry.

Japan Wireless Premium WIFI – Trusted by Travelers from all over the world

The post Japan Pocket WiFi Security: Is It Safer Than Public Wi-Fi? appeared first on Japan Wireless | Japan Travel Blog.

As the autumn colours begin to paint the mountainsides of Tohoku and winter promises another snow season in Hokkaido, more travellers are looking beyond the neon glow of Japan’s cities. But the freedom of exploring these serene landscapes—navigating remote mountain roads, finding a hidden onsen, or translating a menu in a small village—hinges on one modern essential: a reliable internet connection.

Here in Japan, we know that network performance can change dramatically the moment you leave a major city. The pocket Wi-Fi that served you perfectly in Tokyo could become a useless brick in the mountains of the Japan Alps.

This definitive guide will compare head-to-head the top pocket Wi-Fi providers, breaking down the single most important factor for rural travel—the network—and helping you choose the perfect device for your adventure.

The Golden Rule: Network Coverage is Everything

Before we compare brands, you must understand the landscape. In rural Japan, coverage is a necessity. A device is only as good as the cellular network it runs on. There are three major players, and they are not created equal when it comes to the countryside.

• NTT Docomo: The undisputed champion of rural coverage. As Japan’s oldest and largest provider, their network infrastructure is the most extensive, reaching deep into mountains, remote islands, and sparsely populated areas where others simply can’t.
• au (by KDDI): A very strong silver medalist. au offers excellent nationwide coverage that is highly reliable in most rural areas. While Docomo holds the edge in the most extreme locations, au is a robust and dependable choice.
• SoftBank: SoftBank is known for its incredible speeds in metropolitan areas. While its rural network has improved immensely and covers most populated towns, it generally has more dead zones in mountainous terrain and deep wilderness compared to Docomo and au.

The takeaway is simple: For any trip focused on rural exploration, a provider using the Docomo network is your safest bet!

The Top Pocket WiFi Providers for Rural Area: 2025 Comparison

Let’s analyze the most popular rental options and see which network they use, what they offer, and who they’re best for.

Japan Wireless

Japan Wireless is the gold standard for the serious rural adventurer, skier, or road-tripper. The combination of the Docomo network, truly unlimited data and an included power bank makes them the most reliable choice for off-the-beaten-path travel.

• Primary Network: NTT Docomo
• Rural Coverage Performance: Exceptional. As they utilize the Docomo network, their devices offer the best possible coverage for not only deep rural, mountainous, and coastal exploration but also city areas.
• Key Features: They offer premium, modern devices and, crucially, truly unlimited data plan with no throttling at all. They include a free power bank with every rental. This is a huge benefit for long days out where charging opportunities are scarce. Planning your budget is also simpler and more cost-effective, as you have the option to pay in your home currency (like USD, EUR, or AUD) instead of Japanese Yen.
• Potential Cons: Can sometimes be priced slightly higher than budget SoftBank-based options.

Sakura Mobile

A direct competitor to Japan Wireless, with outstanding rural coverage.

• Primary Network: NTT Docomo
• Rural Coverage Performance: Excellent. Like Japan Wireless, Sakura Mobile leverages the superior reach of the Docomo network, making them a top-tier choice for countryside connectivity.
• Key Features: Highly respected for their customer support, and they are very popular with the foreign resident community.
• Potential Cons: Their data caps on some plans might be lower than the “unlimited” plans offered by competitors.

Ninja WiFi

If your trip is 80% in cities with only occasional day trips to places like Hakone or Nikko, Ninja WiFi is a fantastic choice.

• Primary Network: SoftBank
• Rural Coverage Performance: Good, but not top-tier. Perfect for cities and populated towns, but you risk hitting dead zones in more remote areas of Hokkaido, Tohoku, or Shikoku.
• Key Features: Offer multiple plans to choose from. They have a very slick rental process with convenient airport counters.
• Potential Cons: The reliance on the SoftBank network is the primary drawback for a purely rural-focused trip.

Mobal

A strong Docomo-based option, particularly well-suited for long-stay travelers, working holiday visitors, or anyone who might also need a Japanese phone number.

• Primary Network: NTT Docomo
• Rural Coverage Performance: Excellent. Mobal is another provider that uses the Docomo network, ensuring great coverage in the countryside.
• Key Features: Mobal is unique in that they also offer long-term SIM cards, making them a great option for longer stays (1 month+). Their pocket WiFi service follows the same principle of reliable connectivity. Mobal is also well-known for their CSR (Corporate Social Responsibility) activities.
• Potential Cons: Can be more focused on longer-term rentals than short tourist trips.

SoftBank (Direct Rental)

A solid, convenient option for last-minute rentals or for those who prefer renting directly from the network owner, best suited for city itineraries.

• Primary Network: SoftBank
• Rural Coverage Performance: Good, with the same caveats as Ninja WiFi. You are renting directly from the network provider.
• Key Features: The convenience of renting directly from a major carrier at their prominent airport counters.
• Potential Cons: Can sometimes be more expensive than resellers, and you are still limited to the SoftBank network for rural coverage.

Pro Tips for Maximizing Your Wi-Fi Signal in the Countryside

Even with the best device, Japan’s rural and highland area can be challenging. Use these tips to get the most out of your connection:

• Mind the Windows: In a car, ryokan, or mountain cabin, placing the device near a window will always provide a stronger, more stable signal.
• Height is Might: Signal is often better higher up. If you’re in a valley, you may lose connection, but it might return as you ascend.
• Conserve Data & Battery: When the signal is weak, your device’s battery drains faster trying to connect. Use it for essential tasks like maps and translation, and avoid heavy streaming until you have a stronger connection.
• Download Offline Maps: As a backup, use Google Maps’ offline feature to download maps of the regions you’ll be visiting. This way, even if you lose signal entirely, your GPS navigation will still function.

Key Takeaway

Ultimately, your choice of pocket WiFi comes down to a simple rule: match the network to your itinerary. For rural and highland Japan, the superior coverage of the NTT Docomo network is essential for a reliable connection. If you’re exploring Hokkaido or the Japan Alps, choose a Docomo-based provider. Making the right choice is the key to a stress-free, connected adventure.

The post The Best Pocket WiFi for Rural & Highland Areas in Japan: Coverage for Hokkaido, Tohoku and Beyond appeared first on Japan Wireless | Japan Travel Blog.