Download Blackra1n to Firmware 3.1.2 not 3.1.3 or 4.0 !
These are instructions on how to unlock the iPhone 3G and 3GS using BlackSn0w. To follow these instructions you must be on the 05.11.07 baseband and have already jailbroken.
Download Blackra1n to Firmware 3.1.2 not 3.1.3 or 4.0 !
These are instructions on how to unlock the iPhone 3G and 3GS using BlackSn0w. To follow these instructions you must be on the 05.11.07 baseband and have already jailbroken.
I think blackra1n is good
This works for 4.3.5