From the first Ultrasn0w 1.0-1 screenshot it is clear that it can unlock iPhone 4 Baseband 01.59.00 and iPhone 3G/3GS 04.26.08(3.1.1), 05.11.07(3.1.2), 05.12.01(3.1.3) & 05.13.04 (iOS 4.0/4.0.1). Meaning you will be able to unlock any firmware from 3.1.1 to 4.0.1. It’s important that you save iPhone 3G/3GS & iPhone 4 4.0.1 SHSH Blobs, since JailbreakMe [...]
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