so i was jailbreaking a 4.2.1 3gs with redsnow. it worked fine until i tried to reboot while untethered to the computer. now the iphone is stuck in recovery loops. i tried rejailbreaking, restoring multiple times with ios 4.2.1 and ios 4.1 but i keep getting error 1015 or 3194. i also tried iReb. nothing has worked. plz help and ty in advance