Here is How to Bypass 1600, 1601, 1604 Errors During Custom iOS 4.2.1 Restore with iREB R3

Whenever you try to restore your iDevice to custom iOS 4.2.1 firmware using iTunes, you end up with errors like Error 1604, 1600, 1601 etc. To bypass such errors, the iPhone Developer iH8sn0w has released an updated version of iREB which is now compatible with all iOS 4.2.1 devices.

The main function of iREBĀ  is to put your device into Pwned DFU mode so that you can restore to custom iOS 4.2.1 firmware cooked with Snowbreeze or PwnageTool.

iREB RC3 supports the following devices:

  • Phone 2G
  • iPhone 3G
  • iPhone 3G[S] (old & new bootrom)
  • iPhone 4
  • iPod Touch 1G
  • iPod Touch 2G (MB & MC)
  • iPod Touch 3G
  • iPod Touch 4
  • iPad
  • Apple TV 2

The functioning process of iREB is very simple.

Launch iREB and select your device.

A DFU Helper mode will help you put your device into pwned DFU state. Simply follow the on-screen instructions and let iREB work.

After your device is in DFU state, launch iTunes and restore to custom iOS firmware without receiving any errors.

Download:

  • Download iREB for Windows
  • iREB for Mac is under development and will be released soon.

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