Hi everyone! I have an unlocked and jailbroken iPhone 4 from AT&T running on Tmobile's network. It is unlocked with the help of the Gevey Turbo Sim. My current iOS version is 4.2.1. My baseband is 03.10.01 (that really bad one..)
My questions are:
If I upgraded the iOS version to the newest -- 4.3.3, will the Gevey sim still be able to unlock my phone?
If I upgraded, will my baseband change from 03.10.01 to something else? And if so, what will it change to?