softbank SIM UNLOCK
3 years ago. i bought a iphone4 for softbank japan. now, i live in china. how can i unlock my sim to use my iphone in china.? ps. the bb is 04.12.05
iPhone 4, iOS 6.1.1, 04.12.05
Sorry, there is no way to get any Japanese iPhone officially unlocked. None of the Japanese carriers offer unlocking for the iPhone, and they are the only ones that could authorize the unlocking. Thus, there is no way to get your phone officially unlocked.