Prices include tax unless otherwise noted.
Owing to consumption tax calculation, prices may differ from the invoiced amount.
Shops On Military Bases in Japan, with English Speaking Crew!
Use your Own phone or purchase a New Smartphone,
eSIM service is available
Get a local Japanese Phone Number
Short Term Service available with NO cancellation fee!
What's eSIM?
eSIM is a smartphone with embedded SIM otherwise known as Digital SIM.
If you have an eSIM compatible smartphone, you can sign up the mobile service without newly inserting the physical SIM or replacing the SIM with the existing one. If the device has DSDS: dual SIM dual stand by function, you can even use two different carrier mobile services on one device.
Advantages of eSIM
You can have 2 numbers on 1 device.
Therefore, you can keep your US number while having a Japanese number as well!
You can customize your physical and eSIM! Calls and texts can be set to your US number while data can be set to the Y!mobile eSIM.
Buy a device |
eSIM IN
|
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SIM Card IN
|
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Use the device |
eSIM IN
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SIM Card IN
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For new subscription or device upgrade, in addition to the device purchase cost, an activation fee is required.
Activation Fee | ¥3,850 |
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We will in voice the activation fee directly to the contract holder at a later date.
The activation fee cannot be refunded upon cancellation
For monthly payment, using a credit card or bank account transfer is recommended.
●After applying, it may take 1 to 2 months for card withdrawals and procedures with financial institutions to be completed. Until then, we will send you a transfer form, so please pay from a convenience store or financial institution. ●If you wish to pay by credit card, we will ask you to use a credit card, and if you wish to pay by bank transfer, we will confirm your bankbook or cash card at the time of application.
When switching from another company to Y!mobile smartphone or mobile phones, you can use Mobile Number Portability (MNP) to keep your current phone number.
■ Proof of identification
Under the Mobile Phone Improper Use Prevention Act, you are required to present the documents stipulated by Y!mobile when you enter into a contract. For details, please click here. (Japanese only) You are required to present the documents in the list below when applying for an instalment purchase contract.
Please have the original documents with you. Photocopies are not accepted. The documents presented are not used for other than applicant identification. We may ask you to present one or more of the following documents depending on the contents of your application:
Select One of the following list.
(1)
Driver's license
(2)
Japanese passport
For the online store application:
The "gender" indication on the card must be covered by something such as a plain piece of paper. If it is not covered, the application process will be canceled.
(3)
Individual Number Card
(My Number Card)
For the online store application:
The "gender" indication and "Organ donation preference" sections on the card must be covered by something such as a plain piece of paper. If they are not covered, the application process will be canceled.
(4)
Health insurance card
+
Supplementary Documents
Health insurance card is acceptable
only for underage customers at shops.
(5)
Physical disability certificate
or
(6)
Rehabilitation notebook
or
(7)
Health and welfare handbook
for mentally disabled persons
For the online store application:
The "gender," "name of disability (type of disability)" and "degree of disability" indication on the certificates and notebook must be covered by something such as a plain piece of paper. If they are not covered, the application process will be canceled.
(8)
Basic Resident Registration Card (with QR code)
+
Supplementary Documents
For the online store application:
The "gender" and “place of domicile” indication on the card must be covered by something such as a plain piece of paper. If it is not covered, the application process will be canceled.
(9)
Residence Card + Foreign Passport
or
(10)
Special Permanent
Residence Certificate
For the online store application:
The "gender" indication on the card must be covered by something such as a plain piece of paper. If it is not covered, the application process will be canceled.
■ Supplementary Documents
We are enhancing the verification of identity documents.
In addition to presenting the above-mentioned "Proof of Identification" at the time of "upgrading (change of contract) / issuance of MNP (transfer) reservation number / exchange / reissue of USIM / number transfer※ / exchange of delivery (malfunction, theft or loss)" We will confirm your phone number using your mobile phone or confirm your intention to sign a contract over the phone. If we are unable to respond due to malfunction/loss, etc., please "present one additional identification document" or "present the credit card/cash card that has been set as the payment destination." ※Changing between SoftBank, Y!mobile, and LINEMO.
For general inquiries or technical support, contact one of the following numbers.
Business hours | 10:00am-7:00pm(for general information) | |
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From Y!mobile handset | 151 | Press “5” for English support |
From landline | 0570-039-151 |
We have shops on all major US military installations in Japan, with English Speaking Crew to support your needs.
Y!mobile service sign up is available at any on base SoftBank shop.
Due to the current circumstances, operational hours of each shop may change.
Please confirm the shop operational status and hours before visiting.
Yes, if your device is unlocked we can offer you a Y!mobile eSIM.
You can continue to use your stateside SIM and an embedded SIM with Japanese phone number simultaneously. *Conditions apply
If you could get the USIM unlocked on your current device, in most of the cases you can keep using your device just subscribing for Y!mobile USIM only contract.
We also offer prepaid service. Y!mobile plan can be canceled at any time without any cancellation fee. We suggest our regular service plan as it is reasonable without 2 years commitment.
Yes, of course! You can keep the same phone number and switch over between two brands free of charge.
Yes, all service plans are 5G compatible. You can check the current service area map from our SoftBank website.
Y!mobile offers 3GB, 15GB, and 25GB data.
Our primary brand, SoftBank will be your best choice for unlimited data.
Please check the site below.
Mobile Service for US Military in Japan, SoftBank
Both SoftBank and Y!mobile phones and services are available at on base SoftBank shops.
Even after the contract data amount is used up, you can continue to use the data at a speed of 300 Mbps for Simple S, and 1 Mbps for Simple M and L.
Please visit your nearest on base SoftBank shop with your:
1) Military ID, or SOFA ID
2) States ID, Stateside Driver’s License, or U.S. Passport
3) Credit card or debit card for your monthly payment method
4) Ensure your device is UNLOCKED by your carrier for SIM only account
If you live off base you can apply online from our Y!mobile Japanese website.
We highly recommend you to visit the shop for English consultation.
Please visit your nearest Softbank shop on the day you wish to terminate your service.
No, there is no advance service termination reservation at this time.
Also check the site below if you are looking for unlimited data plan or latest phone models.
Mobile Service for US Military in Japan, SoftBank
日本語 / ENGLISH