As always unlockers were warned not to update or jailbreak using redsn0w and should wait for custom firmware jailbreak solution. iOS modder and hacker DjayB6 has released Ultrasn0w Fixer for iOS 4.3.2 firmware. This update is only for 4.3.2 compatibility and ONLY unlocks the baseband that Ultrasn0w 1.2.1 currently supports. This fixer will support the following basebands:04.26.xx
  • 01.59.xx
  • 04.26.xx
  • 05.11.xx
  • 05.12.xx
  • 05.13.xx
  • 06.15.xx (For 3GS users)
This fixer will NOT work with the following basebands:
  • 02.10.xx
  • 03.10.xx
  • 04.10.xx
  • 05.14.xx
  • 05.15.xx
  • 05.16.xx
Here’s how you can get this fixer:
Step 1: Start Cydia on your jailbroken iPhone iOS 4.3.2
Step 2: Select Manage tab at the bottom of your iPhone screen and then select Sources.
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Step 3: Select Edit and then select Add. Now enter a URL source. Type and select on Add Source. Once Cydia has added the source click on Return to Cydia button.
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Click here to enlarge
Step 4: After installation search for ultrasn0w fixer for 4.3.2 in Cydia and install it.
Click here to enlarge
Click here to enlarge
Step 5: Restart your iPhone.
And you’re done!!! You should now have an unlocked iPhone 4, 3GS.