Japan Prepaid SIM for Visitor and Traveler

Activate within minutes
insert it into your device

Two Capacities

Can be used all over Japan
Same coverage area as NTT docomo

Ranked number 1 in customer satisfaction for data connection quality and stability.
*According to ICT Research & Consulting study June 2016

Ranked number 1 in customer satisfaction
for data connection quality and stability.

Ranked number 1 in customer satifaction web survey for "data connection quality and stability" targeting MVNO SIM users.

BIGLOBE NINJA SIM can provide stable internet connection in areas where Free WiFi has poor connectivity.

Steps for use

  1. 1Buy it at the store.

    Buy Ninja SIM
  2. 2Insert it into your mobile phone and set the APN.

    Insert SIM
  3. 3Activate and then start using it.

    Activate within minutes


NINJA SIM 3GB for travel
NINJA SIM 7GB for travel

Data Allowance and Suggested Retail Price

(excluding tax)
(excluding tax)

*Please understand that fees are subject to change for the reasons of retail outlets.

Top Up

1GB ¥2,000 (excluding tax)

*If you purchase top up, validity period will be extended to from purchase date to the 31st day. * Debit cards and prepaid cards cannot be used. Furthermore, there are some credit cards that cannot be used.

SIM Size

Nano / Micro / Standard

Service Type

For data communication only

Maximum Speed

788Mbps *This speed is the best effort (standard maximum speed), and is not guaranteed as the effective speed.

Validity Period

Validity period is from the day of activation to the 30th day.

Network Coverage Rate

All over Japan. Same coverage area as NTT docomo.(Corresponding to the NTT docomo "Xi (LTE)" (Crossy) area and FOMA (3G) area)

APN Information

User name user
Password 0000
Authentication CHAP or PAP

Supported Devices

SAMSUNG Galaxy S7 edge SC-02H/04G,Galaxy S6 SC-05G...etc.
Apple iPhone 7/7 Plus,iPhone 6/6s/6s Plus,iPhone 5/5s/5c...etc.
LG LG-D620J G2 mini,Nexus 5X,Nexus 5
Motorola Moto Z Play,Moto Z,Moto G4 Plus AP3753...etc.
Sony Xperia Z5 SO-01H,Xperia Z5 Premium SO-03H,XPERIA Z4 SO-03G...etc.
HUAWEI Nexus6P,P8lite ALE-L02,Huawei P8max,HUAWEI P9 lite...etc.

List of supported devices (in Japanese only) >

3GB of data will give you

Web browsing


Map apps


Video viewing


*The figures are only a guide. How much you can use depends on your actual usage situation and operation.