So-net

Prepaid LTE SIM

package

Prepaid LTE SIM is an easy-to-use prepaid wireless data service that offers downstream speeds of up to 300 Mbps under ideal circumstances. You simply select how much data you think you will need beforehand.
You can always add more later.It's easy to check your remaining data or refill it on your user page.

Notice
  • Terms of Service for Prepaid LTE SIM will be revised from September 1st, 2017. Read More.

Perfect for the following needs!

  • Immediate mobile service

    After purchasing the SIM package, complete the simple web-based procedure to start using the service.

  • Short-term, prepaid service

    Use the service however you want, whether it's for short-term use or keeping cost at a minimum...or both! You can also add more data as needed.

  • Fast data service

    Enjoy lightning-fast LTE speeds on the NTT DOCOMO network and rock-solid 3G speeds outside LTE areas.

service plansThree service plans!
You can add more data later!

Plan Plan 1.2G Plan 2.4G Plan 3.2G
SIM card types Normal SIM, Micro-SIM and Nano-SIM
*Choose from one of the three form factors
Normal SIM, Micro-SIM and Nano-SIM
*Choose from one of the three form factors
Normal SIM, Micro-SIM and Nano-SIM
*Choose from one of the three form factors
Speed No limit No limit No limit
Duration 30 days 30 days 60 days
Data amount 1.2GB 2.4GB 3.2GB
package
Normal SIM MicroSIM nanoSIM
Plan 1.2GB

SIM card types:
Normal SIM, Micro-SIM and Nano-SIM
*Choose from one of the three form factors

Speed: No limit

Duration: 30 days

Data amount: 1.2GB

Plan 2.4GB

SIM card types:
Normal SIM, Micro-SIM and Nano-SIM
*Choose from one of the three form factors

Speed: No limit

Duration: 30 days

Data amount: 2.4GB

Plan 3.2GB

SIM card types:
Normal SIM, Micro-SIM and Nano-SIM
*Choose from one of the three form factors

Speed: No limit

Duration: 60 days

Data amount: 3.2GB

Service coverage 100% Areas supporting Xi and FOMA

This service uses the Xi® and FOMA® networks operated by NTT DOCOMO.

Click here for information on frequency bands available.

Refilling your accountThree plans for refilling your account!

charge 1G
2,838 yen
(excl. tax)
60 days
Click here for sample estimates of data usage.

How to useOnly three steps between purchasing and using the service!

NotesPlease read the following before you start using this service.

You must also read and agree to the Important information and Terms of Use that are found on the website. Important Notes


  • This is a mobile Internet connection service provided by Sony Network Communications Inc.
  • This service does not support circuit switching services (telephone calls and short message service etc.) or file sharing (P2P).
  • This service assigns a private IP address to your device.
  • Please purchase the correct size SIM card for your device.
  • The SIM card is provided to you on a loan basis. A fee of 3,000 yen (plus tax) will be charged for lost or damaged SIM cards.
  • You must activate the service on the official website within 14 days, including the day of purchase, or before the expiration date printed on the card from which you removed the SIM card, whichever comes first.
  • This service supports the Xi® and FOMA® networks operated in Japan by NTT DOCOMO.
    • LTE (Xi®): Band 1 (2100 MHz)/Band 19 (800 MHz)/Band 21 (1500 MHz)/Band 3 (1800 MHz, only some areas)
    • W-CDMA (FOMA®): Band 1 (2100MHz)/Band 19 (800MHz)
  • The devices for using this service are to be provided by the customer and must support Xi® or FOMA®, as well as bear the mark of Technical Regulations Conformity Certification etc. of Specified Radio Equipment (Technical Conformity Mark ).
  • The Internet speed indicated for this service is the maximum value under ideal circumstances. It may vary according to connection status, communication equipment, network environment, and other factors.
  • You cannot use services provided exclusively by NTT DOCOMO, such as i-mode®.
  • If you have a non-NTT DOCOMO device and it is SIM locked, you need to unlock it first. You must also set the access point name (APN) on your device.
    • If you have an iPhone 5s , iPhone 5c , iPhone6 or iPhone6 Plus, you must install the APN profile from the following website beforehand via a wireless LAN or other Internet connection.
      http://www.so-net.ne.jp/prepaid/i/
      Visit the page using Safari on your iPhone.
  • There are no refunds or returns for this package, and no refunds for refills.
  • We do not issue statements or receipts for this service.
  • You cannot suspend or cancel service while it is in use.
  • Refills require a credit card (Visa, MasterCard, JCB, American Express, or Diners Club International).
  • Your service will be canceled if you do not refill your account within 14 days of the day after you use up your remaining data.
  • The package you received includes manuals in Japanese, English, Chinese (traditional and simplified), Korean, and Thai.
  • The websites for activation and refilling are in Japanese and English.

Estimated data usage

Estimate for 1GB (based on our own tests)*Assuming the use of a smartphone

YouTube videos: About 500 minutes Plain text email: Receive about 300,000 messages
Web browsing: About 4,000 pages Map app: About 1000 uses

Available frequencies

This service uses the Xi® and FOMA® networks operated by NTT DOCOMO.
This service requires a device that supports the following frequencies.

: LTE (Xi®) : 3G (FOMA®)
·Band 1 (2100MHz) ·Band 1 (2100MHz)
·Band 19 (800MHz) ·Band 19 (800MHz)
·Band 21 (1500MHz)
·Band 3 (1800MHz)*Limited to the Tokyo, Nagoya, and Osaka areas
: LTE (Xi®)
  • ·Band 1 (2100MHz)
  • ·Band 19 (800MHz)
  • ·Band 21 (1500MHz)
  • ·Band 3 (1800MHz)*Limited to the Tokyo, Nagoya, and Osaka areas
: 3G (FOMA®)
  • ·Band 1 (2100MHz)
  • ·Band 19 (800MHz)

FAQExplanation of plans, troubleshooting, etc.

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.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.
  • *1 If the initial screen does not appear, please use the following link:
    http://www.so-net.ne.jp/prepaid/a/
  • *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.*2 Once you use up the data amount on the SIM card, you have 14 days to visit your user page and refill your account.
  • *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: Visa, MasterCard, JCB, American Express, or Diners Club International (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.

<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 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.
View the entire FAQ.

General information

  • Sales started on April 22, 2014.