Softbank SIMs for unlocked phones from July Post updated at the end to reflect the implications in data cost difference between a SBM-branded iPhone and an unlocked iPhone . Once ...

Japanese mobile phone SIM unlocking procedures LATEST UPDATE 10/28/2013: fixed info on price, discounts, and eligibility of current handsets. Here is another wiki style entry to go alon...

Comparison of all b-mobile SIMs This post is now considered archived . The new post is here . This post was last updated on March 17, 2013. Japan Communications Inc. (J...

Japanese mobile frequency bands UMTS This is "3G," though most carriers are employing enhanced protocols such as dual-channels, and/or high-speed packet acce...

iOS 6 maps FAIL in Japan Update: Apple appears to be scrambling to fix some of the more embarrassing mistakes, but they're being a bit sloppy and should exerci...

General information for (smart) phone users in Japan Last updated: 7/11/2011 (This is still a good source of information, but please follows the below list of link to keep up with current devel...

Docomo access point names (APN) Updated 5/2013 with reformatting. Never change the APN of a Docomo branded FOMA phone because it will cost you money - I have the bills t...

Unlocked iPhone 5S and 5C on sale in Japanese Apple store UPDATE : per a comment, the possibility has been raised that, even though this phone is unsubsidized and unconnected to any carrier, the set...

Fix for excessive "Cell standby" battery drain on Android with b-mobile data-only SIMs THIS POST IS OUT OF DATE. SEE: http://www.japanmobiletech.com/2013/08/improved-fix-for-docomo-mvno-data-only.html Can you tell which of...