just bought iphone 3gs serial number is 88925FGV3NP stuck in recovery loop, checked to see if it had old or new bootrom it has old bootrom ..itunes will not restore even in pwn dfu keep getting numerous error codes even with host file changes....... created custom snowbreeze firmware 4.21 installed it ,but now no wifi,modem firmware or bluetooth showing up not even a network,dont need it unlocked as it is at&t phone and that is what i use ...any sugestions.Oh yeah and it keeps rebooting about every 5 mins ughhh