Q.What is Prepaid LTE SIM?

A. Prepaid LTE SIM is an easy-to-use prepaid wireless data service that you activate over the Internet.

Q.Where can I buy one of your plans?

A. Please visit the following page. We are constantly adding new locations.
Where to buy

Q. What can I do with Prepaid LTE SIM?

A. What you can do: Access the Internet
What you can't do: Make regular phone calls and use SMS

Q. What do I need to start using it?

A. You need a Prepaid LTE SIM card, a mobile device, and a web browser.
After inserting the SIM into the device on which you will use Prepaid LTE SIM and configuring APN information, the initial screen for this service will appear once you open your browser.*1
On the initial screen, enter the SIM phone number (1) and password (2) printed on the card from which you punched out the SIM card, and then enter your user information*2 to start using the service.
SIM Card
  • ※1 If the initial screen does not appear, please use the following link:
  • ※2 User information: Your name, gender, birth date, postal code, address, phone number, email address, and type of mobile device
Item Postal code Address
Description If you don't know your postal code, please enter "000-0000". Enter your address while in Japan.
If you will not have a fixed address while in Japan, please enter the address of where you stay the longest.

Q.What will I need to refill my account?

A. If you have the SIM phone number (1) and password (2) printed on your Prepaid LTE SIM card, you can refill your account via your user page.Note that a credit card is required to pay for refills.*2Once you use up the data amount on the SIM card, you have 14 days to visit your user page and refill your account.
SIM Card
  • ※1 Refills must be made during the period that Prepaid LTE SIM allows them.
    SIM cards other than those from the Prepaid LTE SIM service cannot be refilled.
  • ※2 The following credit cards are accepted:(Some credit cards may not be accepted.)

Q. Are there any restrictions on use?

A. You must activate the service over the Web within 14 days or before the expiration date printed on the card from which you removed the SIM card, whichever comes first. The duration of service depends on the plan you purchased. Please see your plan for more information.

List of plans

Q.Please issue a receipt.

A. We do not issue statements or receipts for this service. Your understanding is appreciated.

Q.Do you accept returns?

A. Defective products may be exchanged.
Returns other than exchanges for defective products are not allowed.
Please contact our call center about exchanges.

<Address for returning SIM card>
〈So-net SIM Service Support〉
Contact Number(English/Chinese): 0120-688-260
Contact Number(Japanese): 0120-217-260
(hours: from 10:00 to 17:00 (excluding, January 1st and 2nd and maintenance days designated by Sony Network)
*Customer Support is available only in English,Chinese and Japanese.

Q.What should I do with the SIM card when I'm done using it?

A. The SIM card is provided to you on a loan basis.
Please return it to the address listed below.

<Address for returning SIM card>
So-net Butsuryu Center, SIM Henkyaku
303-1 Kami-okubo, Sakura-ku, Saitama City, Saitama Prefecture, 338-0824, JAPAN

Q.What is Japan Connected-free Wi-Fi?

A. Japan Connected-free Wi-Fi is an app for Android and iOS devices developed by NTT Broadband Platform, Inc. that allows you to quickly find and easily connect to over 86,000 Wi-Fi hotspots at major airports, stations, commercial facilities, and other locations throughout Japan.
* This app is offered by NTT Broadband Platform, Inc. Please note that the Japan Connected-free Wi-Fi service is not provided by Sony Network Communications.