Ultrasn0w 1.2.3: to unlock 4.3.3 iPhone 4 3GS

Ultrasn0w 1.2.3. iPhone dev-team has released new version of ultrasn0w, they released ultrasn0w 1.2.3 to unlock iPhone 4 and iPhone 3GS on iOS 4.3.3 on old basebands. check out all supported basebands on ultrasn0w 1.2.3 after the jump




Supported basebands:
01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00

Unsupported basebands :
02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04 / 05.16.02





Step 1: Open Cydia on your iPhone 4 or 3GS, Go to Manage->Sources

Step 2: Now tap on “Edit”, then tap on “Add”

Enter the following repo http://repo666.ultrasn0w.com then tap on "Add Source" as shown below.

Step 3: Now search for ultrasn0w 1.2.3 then install it. By installing ultrasn0w 1.2.3, your device became unlocked

Step 4: Finally, restart your iPhone and you should now enjoy an unlocked iPhone 4 or 3GS on iOS 4.3.3.

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