If you hate iOS 4.3.5 because there is no untethered jailbreak and need to downgrade your firmware to a version which has an untethered jailbreak, Here’s the way to do just that.


First of all here’s what you will need :

  • Ireb4 [Download From HERE].
  • iOS 4.1 custom firmware (made by sn0wbreeze) [Download – Part 1Part 2 ].
  • redsn0w 0.9.6 [Download From HERE or HERE].
  • iTunes 10.4

And here’s the steps :

  • Step 1: Run Ireb4 , your iPhone 3GS will enter dfu mode.
  • Step 2: Go to iTunes and flash 4.1 custom firmware ipsw.
  • Step 3: Jailbreak your iPhone 3GS with Redsn0w 0.9.6b6 [Guide]
  • Step 4: Unlock your iPhone 3GS with ultrasn0w [Guide]

These method was tried by a user and we didn’t try it yet. So if you will go through with it, Feed us back.



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