Japan Prepaid Data SIM
1) Fast, Reliable & Good-Coverage Network
2) Plug & Connect: The SIM is preloaded with 3GB (no activation required)
3) Very difficult for a foreigner to buy local SIM cards in Japan.Name: Japanese Prepaid data SIM
Price: $59 including 3GB preloaded
Availability: In stock
Why buy a Japanese data SIM?
1) Fast reliable network
2) Easy to use: pre-activated & pre-loaded
3) Very difficult for a foreigner to buy local SIM cards in Japan
Pros
Pre-loaded, pre-activated, ready to run, reliable and fast data.
Cons
Data only, and must have a 800 or 2100 compatible device (see below).
Summary: Prepaid Data SIM for Japan
-- NOW: 3GB For Up To 30 Days (No longer just 1GB)-- Downlink: Up to 7.2 Mbps / Uplink: Up to 5.7 Mbps
-- Web Browsing: Supported
-- Email: Supported
-- VoIP & Messaging Apps: Supported
-- Easy set up, no activation required
-- Throw away after you have finished using
SIM Size
We only stock factory made Nano SIMs, if you order Mini (ie largest/normal size), or Micro SIM size, we will send a Nano SIM with a SIM adapter set that allows you to scale up the Nano SIM to Mini or Micro size.
Activation
Not required.
Your SIM card will be pre-activated and ready to use when you receive it - your 30 days starts from when it first connects to the network in Japan (it won't connect to a network outside of Japan).
Internet
-- 3GB for up to 30 days-- 30-days starts when you FIRST use it.
Network
NTT DoCoMo FOMA network
DoCoMo has one of the largest and fastest networks in Japan.
For specific coverage you can check here (the links on that page are in Japanese).
This SIM is very popular with skiers, and there is a page here, with some extra information on coverage at four of Japan's popular ski resorts/areas; Niseko, Rusutsu, Kiroro and Hakkoda (all of which show good coverage).
If you use all the 1GB top-ups can now be purchased here.
Data Transmission Speed
-- Downlink: up to 7.2 Mbps-- Uplink: up to 5.7 Mbps
Connectivity/ Compatible Devices
MUST BE
SIM-free (unlocked) device
W-CDMA / HSDPA / HSUPA: 2100 MHz or 800 MHz
Please check your device compatibility for 2100 or 800 MHz here at GSM arena
Please also check your device compatibility here
There is a bunch of FAQs and the activation guide here
Precaution Statement for Prepaid Data SIM Card Purchase
Please read and understand the followings before purchasing.
-- The connection speeds shown above are provided on best effort basis.
-- Actual speeds vary depending on location and connection status.
-- Your device must be SIM-Free (unlocked).
-- Your device must support W-CDMA / HSDPA / HSUPA 2100MHz or 800MHz
-- Your device should be on the GSM Arena site showing 800 or 2100MHz
-- Blackberry handset is not supported
-- Countdown on your 30 days starts on the day of first use (can't refund once card connects to network- get in touch immediately if connects but data not working).
-- Network service provider (Japan Communications Inc.) reserves the right to restrict the connection speed for customers who have used more than 360MB over the previous three days including the current day.
-- JCI uses Outbound Port 25 Blocking as a countermeasure for spam emails.
-- Traffic information will be collected and analyzed to provide service in accordance with the conditions of use.
-- Customers shall not transfer the product to third parties.