① Choose Your Plan

🌍 Overseas Use (International Roaming)

📞 Available:
Voice Calls & SMS

❌ Mobile data (internet access) is not available outside Japan.

📎 User Guide:
JB Voice SIM International Roaming

Since mobile data is not provided outside Japan, no international data roaming charges will be incurred.

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🇯🇵 Use in Japan

📞 Voice Calls

💬 SMS

📶 Mobile Data (Japan only)

After your data allowance is used up, you can continue using the service at 200 kbps.

Monthly Plans

・1GB：¥1,210

・5GB：¥1,980

・10GB：¥2,420

・20GB：¥3,850

・50GB：¥4,730

② Identity Verification

Please complete the following:

✅ Passport Verification

✅ Proof of Current Address

According to regulations of Japan’s Ministry of Internal Affairs and Communications, applicants for a Japanese phone number must provide proof of their registered or current residential address.

Physical SIM cards can only be delivered to the address shown on the proof of address.

Please provide one of the following documents showing both your name and current address:

・Driver’s license, family register certificate, or government-issued tax document

・Utility bill (electricity, gas, water, etc.)

・Credit card statement or bank statement

If you would like the SIM card delivered to a hotel in Japan, please also provide:

① Hotel reservation confirmation (showing your name and check-in date)

② Proof of current address

📌 Verification Hours (Japan Time)

Weekdays: 10:00 AM – 6:00 PM

The verification result will be sent from biz@jbrg.jp.

③ Shipping

Shipping will be arranged after your documents have been approved.

📦 Estimated Shipping Time

・1GB Plan: Approximately 2 business days

・5GB–50GB Plans: Approximately 3–5 business days

📩 A tracking number will be provided after shipment.

EMS:
https://trackings.post.japanpost.jp/services/srv/search/input

Yamato Transport:
https://toi.kuronekoyamato.co.jp/cgi-bin/tneko

④ After Receiving Your SIM Card

・Voice Calls & SMS

Simply insert the SIM card and start using it (both in Japan and overseas).

・Mobile Data in Japan

Configure the APN after arriving in Japan.

⚠️ Do not configure the APN while outside Japan.

⑤ Billing & Payment

・First Invoice

The first invoice will be sent approximately 2 business days after shipment.

You must complete the credit card automatic payment setup.

・Monthly Invoices

Invoices for the following month are sent on the 20th of each month.

Automatic payment will be processed on the 1st of each month.

・Additional Charges

Charges for voice calls and other services will be billed separately and automatically charged together with a future monthly invoice.

⑥ Cancellation

・Please go to My Account and complete the Cancellation Form to submit your cancellation request.

・If you cancel within the first 3 months, a JPY 3,850 cancellation fee will apply.

・After 3 months of service, you may cancel at any time without a cancellation fee.

・If your cancellation request is completed by the 15th of the month, your service will be terminated at the end of that month.

⏰ You may choose your preferred delivery time slot.

・Morning (8:00 AM – 12:00 PM)
・2:00 PM – 4:00 PM
・4:00 PM – 6:00 PM
・6:00 PM – 8:00 PM
・7:00 PM – 9:00 PM
・No Preferred Time Slot

Taiwan’s major mobile carriers provide Wi-Fi Calling services.

➡ While you are in Japan, Wi-Fi Calling is treated as if you were using your phone in Taiwan.

📲 Receiving calls and SMS: Free

📲 Making calls and sending SMS: Charged at your Taiwan domestic rates

📶 Requirements

・Your phone is connected to Wi-Fi.

・Wi-Fi Calling is enabled on your phone (please refer to the attached guide).

・Your Taiwan SIM card is active.
(No international roaming subscription is required, so you don’t need to worry about additional roaming charges.)

📞 How to Make Calls

Calling a Taiwan number

➡ Dial the Taiwan phone number directly without adding the country code.

Calling a Japan number

➡ Make an international call.
(Example: 009-81-…)

🌟 Benefits

・No need to enable international roaming.

・You can make and receive calls over Wi-Fi even in areas with poor mobile signal, such as indoors.

・The person you’re calling will not know that you’re overseas.

・You can also receive SMS verification codes while abroad.

If your SIM card is lost or stolen, please contact our customer service as soon as possible to request a temporary suspension and prevent unauthorized use.

LINE Official Account ID: @jbmobile

📌 If You Find Your SIM Card Later

If your SIM card is recovered, you may contact us to request reactivation.

📌 We Also Recommend

Please report the loss to the local police to help protect your rights and prevent misuse.

📌 SIM Card Replacement

• Processing time: Approximately 5 business days

• Replacement fee: JPY 3,000 (tax excluded)

📌 Information Required for a Replacement Request

• Contract phone number
• Subscriber’s name
• Subscriber’s email address

The default settings are as follows:

Network Password: 1234
PIN Code: 0000

⚠️ We recommend changing the password according to your needs after use to improve security.

🅰️ Yes, you can use them together.

You can use JB Voice SIM and Wi-Fi at the same time depending on your needs.

・Use Wi-Fi for internet access
・Use the SIM card for voice calls and SMS

Flexible and convenient!

✅ Basic Usage (Voice Calls / SMS)

Simply insert the SIM card into your smartphone, and you can immediately use voice calls and SMS!

Your smartphone will automatically display your Japanese phone number, making it very convenient 👍

📞 Voice Call & SMS Settings

If you only use voice calls and SMS after inserting the SIM card:

You do not need to connect to Wi-Fi.
You do not need to configure mobile data settings.

📶 Mobile Data Settings (For Use in Japan)

If you want to use mobile data:

iPhone: You need to download the configuration profile.

Android: You need to manually configure the APN settings.

Yes, you can use this service if the following conditions are met:

✅ Your smartphone is connected to Wi-Fi
✅ The Wi-Fi Calling function is enabled
✅ You are using a supported device (iPhone / Android)
✅ Your SIM card remains active (not suspended or cancelled)

💰 Charges (Important)
Wi-Fi Calling is treated as if you are using the service in Taiwan.

📞 Making calls
・Calling a Taiwan number → Taiwan domestic call charges
・Calling a Taiwan mobile number → Taiwan domestic rates
・Calling overseas (e.g., Japan) → International call charges

👉 No international roaming charges will apply

📲 Receiving calls
・Receiving calls from Taiwan → Free (same as receiving calls in Taiwan)

🌟 Benefits
・Good call quality when the Wi-Fi connection is stable
・You can make and receive calls without enabling international roaming