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iPhone Downgrade Firmware 3.0 to 2.2.1

Posted by MakePakMoney Tuesday, August 3, 2010



1. Attempt a restore of 2.2.1 in DFU Mode ( If you doesn`t know, look down at the text )
2. Get the iTunes error message.
3. Reset device
4. Launch QuickPwn
5. Press next and get past the first 3 steps.
6. Bam, phone is fixed.
EDIT: It does work, just tried. iPhones baseband will still be updated but 2.2.1 works fine on it.

Iphone in DFU Mode:

If you are getting error (1) or error (6) while downgrading the firmware, you need to put your iPhone in DFU mode before you can restore or downgrade the firmware.

Step 1. Turn off your iPhone.
Step 2. Hold down the power and home button.
Step 3. When you see the Apple logo, release the power button but continue holding the home button down.
Step 4. Open iTunes and wait for it to tell you that its in restore mode.

Alternative Method:

Step 1. Connect iphone to USB then listen to the sound when it connect and disconnect.
Step 2. Hold the home and power buttons until hear the disconnect sound then release power button.
Step 3. Wait until you hear another sound then release home button.
Alternate Method: Going Into DFU Mode Without Button Pushing: (on windows) Easier than timing the buttons just right!

1.) You have downloaded the DFU.zip
2.) Extract the archive to the root of your hard drive, should be C:/DFU/
3.) Connect your iPhone and ignore iTunes
4.) Goto Start - run
5.) Next type in “c:/dfu/dfu iBSS.m68ap.RELEASE.dfu”
6.) Wait for iPhone to show a “white” screen
7.) Now you may proceed to downgrade!
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Click here to download this file

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