English Guide English Guide

Here's what makes
Y!mobile the smarter
wireless choice

4 Reasons to Choose Y!mobile

You can carry over unused data to the next month!
2500 support shops across the country
High speed and high Quality! Every plan is 5G applicable.
Save more bundling both the internet and family
  • You can carry over unused data to the next month!
  • 2500 support shops across the country
  • High speed and high Quality! Every plan is 5G applicable.
  • Save more bundling both the internet and family

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FAQ

Is there any stores where I can be served in English?

Bilingual crew are available at the following direct managed shops.

SoftBank Ginza
https://www.ymobile.jp/shop/detail/TD31/
SoftBank Roppongi
https://www.ymobile.jp/shop/detail/T248/
SoftBank Omotesando
https://www.ymobile.jp/shop/detail/T1D3/
SoftBank Shibuya
https://www.ymobile.jp/shop/detail/T198/
SoftBank Nagoya
https://www.ymobile.jp/shop/detail/C300/
SoftBank Osaka Grand Front
https://www.ymobile.jp/shop/detail/K1U6/

Before visiting a shop check sign-up guide

For US Military in Japan customers, bilingual crew will serve you at the following on base shops.

https://www.ymobile.jp/english/military/

Can I get English customer support over the phone?

Yes you can get English support on general inquiries or technical support. Contact one of the following numbers.

From Y!mobile phone: 151
From landline or other carrier's phone: 0570-039-151

For both the above, press “5” for English support.

Chat support on our website is not available in English.

Can I use the Y!mobile SIM card overseas?

Yes. For SIM card (including eSIM) only subscribers, the global roaming option will be available from the 5th month: the day after the last day of the 4th billing month after the service sign up.

Global Roaming Option application is required.

I have a smartphone device purchased overseas. Can I use it just inserting Y!mobile SIM card?

Basically, you can use your own device as long as it supports the following Y!mobile frequency band and communication method.

[5G] 3.7GHz、700MHz、1.7GHz、3.4GHz、28GHz
[4G] 2.5GHz2.1GHz1.7GHz900MHz

The service area coverage varies depending on the communication method and frequency band supported by your device.
Currently high-speed, large-capacity 5G (new frequency) service is provided in a limited area.
Please check the coverage area in advance before you sign up the 5G service.

Depending on the specifications of your device, you may not be able to use the service even if it just adopt the available communication methods and frequencies.
Please ask the manufacturer or retailer for the specifications of your device.

If the device is SIM-locked by the network operator from which the device was originally purchased, it must be unlocked before using the SIM (including eSIM) of Ymobile.

Please note that the 3G service is scheduled to end.
https://www.ymobile.jp/support/info/closed3g/

Can I pay my Y!mobile past due amount using a bank transfer?

Yes, it is possible to pay your past due amount using bank transfer. You will need SoftBank Banking Information in order to process the payment.

Payer's Name

  • ・ Please provide your Y!mobile "Billing Number" and billing name on the payer's name section.
    • ※ If the subscriber name and the billing name are different, please show the billing name when you make the bank transfer.
    • ※ If you do not include the "Billing Number", your payment may become invalid or may be mistakenly regarded as another customer's payment.
      If you do not know your "Billing Number", please contact to ask the Y!mobile Customer Support.

SoftBank Bank Account Information for Bill Payment

Bank Name Mitsui Sumitomo Bank
Branch Name Honten eigyoubu
Account Type Savings account
Account Number 4740201
Account Name SoftBank Corp.

Acount Holder's Address

  • ・ 1-1-2, Marunouchi, Chiyoda-ku, Tokyo, 100-0005, Japan

SWIFT CODE

  • ・ SMBC JP JT
    • ※ SWIFT CODE is the global bank code which is required to fill in when you make bank transfer from overseas.

Notes

  • ・ The transfer fee should be paid by the payer.
  • ・ Please process payment using wire transfer electronically. Payment confirmation will take longer if you choose to process manually using paper documents.

Y!mobile Customer Support (Only in Japan)

For general inquiries or technical support, contact one of the following numbers.

Business hours 10:00am-7:00pm(for general information)
From Y!mobile handset 151 Press “5” for English support
From landline 0570-039-151

Y!mobile Customer Support (From host country)

Business hours 10:00am-7:00pm(for general information)
From Y!mobile handset +81-44-382-0800
From landline 81-44-382-0800
  • ※ If you are calling from a landline from overseas, please dial the international access code in place of "+".

Important Notes on Data Service

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