According to reports, many users have been facing problems restoring their iPhones. These problems arise after updating the phone to iOS 5.0.1 and then jailbreaking the system using redsn0w.

Fortunately, it is possible to restore the phone to an original back-up... and it is quite an easy solution too. The solution, as released on Limera1n...

  1. Restore the iPhone using iTunes
  2. Download the latest version of redsn0w (redsn0w 0.9.10 b1) and follow the step-by-step tutorial to jailbreak your device on iOS 5.0.1
  3. Next install SAM on your iPhone and activate the device using the software. These are the steps to do that
  4. Finally, once activation is complete, re-connect the device to iTunes and the option to either restore from a previous back-up or set up the phone as a new device will be available