1. If you have bb 06.15 and ios 6.X the phone without sim show searching or no service
2. Open Redsn0w
3. Go to Extra
4. Select frimware 6.0
5. Go back and press jailbreak
6. Uncheck the ~install cydia~ and sellect only Downgrade BaseBand
7. After that do a normal restore whit itunes whit accepted sim inside and u are done.
Good luck |