iphone 3g baseband 6.15 stuck in usb-itunes
Solution :
- dissamble iphone...take out battery...and den full charge ur battery
with external supply like desktop charger or master charger....after
full charge try to restore it again
and if its software problem den use latest tiny umbrella den fix
recovery and exit recovery....keep on tryin exit recovery for few
times...den jailbreak
- Put in DFU & Use CFW to Restore.
- only solution for iphone 3g stuck in recovery mode is
restore it with 3.1.3 version. ( no need custom firmware also no need to tss server )
after restore it also stuck in recovery mode then exit with tinyumbralla. its simple and tested.
- Use RedSnow 0.9.3/0.9.4 & Select 3.1.2 Firmware for ( JailBreak )
Use UltraSn0w for ( Unlock )