AT&T or T-Mobil

Brnfox

New Member
Nov 1, 2011
10
1
3
#1
I recently gave someone my iPhone 4 which was purchased from At&T but they have T-Mobil how do they make the iPhone 4 work for T-Mobil
 

Europa

Moderator
Senior Moderator
Dec 12, 2008
28,365
5,507
113
Utah
#2
Moved to iPhone Unlock.

They can use a GEVEY SIM card unlock if it is still on 4.x. There is currently no way to unlock it has been updated to 5.x. Downgrading the firmware to 4.x will not work.