SoftBank’s Prepaid SIM for Travel is a prepaid data-only SIM card that can be used during your travels in Japan. This SIM card will provide you with 3GB of fast, reliable data for 31 days, which can be used not only with mobile phones, but with tablets as well.

This article will provide you with step-by-step instructions on how to set-up your SIM card once you arrive in Japan, so that you have immediate connectivity from the get-go.



Follow the below three steps to start this service:

  1. Insert SIM Card into Device
  2. Configure APN Setting
  3. Register Online

*Set-up procedures may slightly differ based on OS version and model of device.

Step 1: Insert SIM Card into Device

Step 1: Insert SIM Card into Device

Step 2: Configure APN Setting 

For iOS (no APN setting necessary for iPhone 5 or later/4th gen. iPad or later)Step 2: Configure APN Setting for iOS

For AndroidStep 2: Configure APN Setting for AndroidStep 2: Configure APN Setting for Android

Step 3: Register Online 

*Please make sure you have your WiFi turned off

Step 3: Register Online
Step 3: Register Online**You may be ineligible to use this service depending on certain criteria set by SoftBank Corp.

To Purchase Additional Data (“Top-Up”)

Purchase Additional Data (“Top-Up”)***Additional data can only be purchased after you have used all of your initial data allowance.

Purchase Additional Data (“Top-Up”)




What are the key features of SoftBank’s Prepaid SIM for Travel?

  • 3GB of data for 31 days
  • 3G/LTE network connection in Japan
  • Multi-sized SIM (can be used with mobile phones and tablets)
  • Data-only (cannot be used for Voice calling)

Will the SIM card work on any device?

No, this SIM card can only be used with SIM-unlocked devices. 
Your device will also need a camera feature to take a photo and upload passport information during registration.

Can anyone subscribe to this service?

Persons under 20 years of age may not subscribe to this service.

Where can I purchase this SIM card?

You can purchase from SoftBank Telecom Europe Ltd.’s Amazon storefront here.

Can I purchase additional data if I run out of the initial 3GB of data?

You can purchase additional data at the below prices online:
  500MB/31 days 1,620 yen (including consumption tax) 

You will need a credit card for purchase (VISA/Mastercard/JCB). 
Period of validity is 31 days, starting from the day of purchase.

What are the compatible systems and frequencies for the network?

This service uses the SoftBank network. 

Compatible systems and frequencies for your terminal are the following:
LTE: Band 1(2100 MHz)/ Band 3(1700 MHz)/ Band 8(900 MHz) / Band 41(2500 MHz)
W-CDMA(3G): Band 1(2100 MHz)/ Band 8(900 MHz) 

When does the SIM card expire?

The SIM card will expire on January 31, 2020.

What should I do if I have any issues using the service while in Japan?

Please visit one of the following SoftBank retail stores, or call SoftBank Customer Support.

1. SoftBank Ginza (10:00 am to 9:00 pm)
5-7-8, Ginza, Chuo-ku, Tokyo

2. SoftBank Omotesando10:00 am to 9:00 pm
Alteka Plaza 1F 1-13-9, Jingumae, Shibuya-ku, Tokyo

3. SoftBank Shibuya10:00 am to 9:00 pm
Kiyama Building 27-4 Udagawa-cho, Shibuya-ku, Tokyo

4. SoftBank Roppongi10:00 am to 9:00 pm
MUFG Bank Roppongi Building 1F 4-9-7 Roppongi, Minato-ku, Tokyo


SoftBank Customer Support: 0800-919-0157

  • For audio guidance (24 hours)
  • For operator (9:00 am to 8:00 pm)

*SoftBank Corp. may not be able to respond to some inquiries.

Please see here for Important Notes details.