Itunes doesn't recognize unlocked iphone 3g.. pls help

[sagarrana55]

hey guys i have unlocked my iphone 3g by one of that sim card... i am running 2.1 version and when i connect to computer and when i open .. itunes has iphone tab but it says" the sim card inserted in this phone does not appear to be supported" but i can use t-mobile in my phone.. i need to sync songs and other things so pls.. tell me how do i solve this problem

[sagarrana55]

guys pls help

[MHenr]

There are loads of threads about this and a simple search would have solved your problem. I'm not gonna be a total arse and not tell you the answer, but please think of it next time.

The easiest solution is jailbreaking it with pwnage tool or quickpwn.