hello, i had downgrade my iphone 3gs from 4.3.5 to 4.3.3 after it finish my iphone didn't lunch again, so i did a jailbreak for it maybe lunched again , but after jailbreak it stuck in the end of jailbreak so i had unplug it from the cable ,i reconnect it to pc and itunes opens and say your must restore your iphone , i tried to restore it over and over but for nothing, now my iphone is a dead device, last problem is 1601 and tried the ireb for it and nothing happen, i tried ifaith , tinyumbrella,ireb,1clickboot nothing is work please help me thanx to all