Gevey SIM Unlock Baseband 4.11.08

You will have to downgrade the iPhone baseband 4:11:08, downgrade baseband iPhone so you can open Gevey SIM. The baseband can be downgraded to 4:10:01. There are some simple steps you should follow.
Unlock Baseband 4.11.08 � Steps to Follow
You must install iTunes 10.4 or earlier versions of iTunes. If the pre-loaded iTunes 10.5 on the iPhone, remove it first. baseband 4:11:08 You must download