From my previous post JailBreak iPhone 3G/2G with Firmware 3.1 on Windows
i have seen comments about 16XX or 21 error while restoring their Custom Firmware. So here is a fix to Bypass 16xx series error at the time of restoring your iPod Touch/iphne using custom firmware.
Alex said “i keep getting te 1604 error code and am having to restorre the phone to factory settings everytimie!”
Bypass Error 16xx series:
1.First download iH8sn0w’s iREB 2.2/3.1 from below links
2.Run iREB 2.2/3.1 application,then select your iPhone or iPod and follow on screen instructions.
3.Now Put Your Device into DFU mode by following below instructions
4.Now select your device in iREB 2.2/3.1 application,first you will see white screen,then after few seconds it will display a Red screen.
5.Now run iTunes and Restore to custom firmware.
Video Demonstration for iPhone 3GS Users