The latest release of UltraSn0w does not support new basebands, it only fixes compatibility issues with already-unlocked iPhones. In this tutorial, we’ll show you how to install the latest version of UltraSn0w to unlock your iPhone running iOS 4.3.2.
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02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04 / 05.16.02
Step 1: Open Cydia and navigate to “Manage Sources.”
Step 2: Add the following repo: “http://repo666.ultrasn0w.com“
Step 3: After you’ve added the repo, search for “ultrasn0w 1.2.2” in Cydia and install. (Make sure to double check that your baseband is compatible before installing.)
Step 4: Restart your iPhone and your device should be unlocked for operation on any compatible carrier.
Congrats, your iPhone is now unlocked on iOS 4.3.2!
Let us know how unlocking your iPhone on 4.3.2 went for you. Share your stories in the comments below!