I just tried jailbreaking a friend's 4.1 3GS and it is now in DFU mode. But when I try to restore the IPSW I built, iTunes says it's going to update it to iOS 5. How do I restore with the IPSW 4.1?
I always jailbreak with the newest OS, so this is a bit new for me.
When you click restore, are you holding down the shift button and then clicking restore?
No, I wasn't holding down shift. I just tried plugging in to try it but it won't show up in iTunes and the battery is showing as empty and it's not charging now.
I suggested he wait until iOS 5 jailbreak was out so it'd be much easier for me, but he's concerned with legginess with iOS 5 on his 3GS.
**UPDATE**
Okay, I held down shift and clicked Restore" but it asked me if i wanted to backup (i clicked no), and it proceeded to tell me iOS 5 would be downloaded and installed.
Wondering if I should just restore it to iOS 5 and jailbreak it when the untehtered comes out. How does 3GS run on iOS 5?