Newest version of ultrasn0w 1.2.7 out, unlocks all iPhone 3Gs and 4 on iOS 5.1.1

Still own an iPhone 4 or a 3Gs, and need an unlock for your device? You are in luck! The dev-team has just released the latest version of Ultrasn0w i.e. 1.2.7 which will unlock all iPhone 4s  on baseband 01.59.00, while the older 3G / 3GS units on 04.26.08, 05.11.07, 05.12.01, 05.13.04 or 06.15.00. Also a new version of RedSn0w (0.9.12b1) for both Windows and Mac, was released.

[Dev-Team Blog]