Hello I have an Iphone 3gs that I jailbreaked with redsn0w,but after the jailbreak it reboots every 2 minutes.I tried to erase jailbreak but itunes give me a (-1) error and it can't be restored .The iphone ios version was before the jailbreak 6.1.3 baseband 05.16.08 and after the jailbreak it become 6.1.6. Any Suggestions I will appreciate a lot.