In June 2011, George Hotz (GeoHot) was hired by Facebook after getting sued by Sony for hacking into Playstation 3. Basically, GeoHot was popular for its unlock and jailbreaking tools for iPhone users, and now when he is quitting from Facebook, it seems he will join back jailbreak community and hope so some other jailbreak tools [...]
Users who have iPhone 4, iPhone 3GS or iPhone 3G over jailbroken iOS 5.0.1 and want to unlock through recently released Ultrasn0w 1.2.5, must follow guide below to know about unlock process.
Unlock tool Ultrasn0w by iPhone Dev Team is updated to Ultrasn0w 1.2.5 with support for latest iOS 5.0.1 over iPhone 4, iPhone 3GS and iPhone 3G.
Dev Team’s unlock tool Ultrasn0w v1.2.4 is out there which is now supportive for iOS 5. User can unlock iOS 5 on iPhone 4, and iPhone 3GS whereas iPhone 3G with old basebands is also compatible for the latest Ultrasn0w.
Apple has started selling factory unlocked iPhone 4 GSM model in United States. The official unlocked iPhone 4 is available in both white and black color and capable to work for any supported carrier.
Ultrasn0w 1.2.3 is available for iOS 4.3.3 on iPhone 4 and 3GS, but it just works for old baseband and does not support to unlock newer iPhone basebands. The latest Ultrasn0w fixes the iOS 4.3.3 compatibility issues.
The iPhone Dev Team has released UltraSn0w 1.2.2 update to unlock iPhone 4, 3GS running over iOS 4.3.2 firmware.
After releasing Redsn0w and PwnageTool 4.3 for untethered iOS 4.3.1 jailbreak, now iPhone Dev Team pushed Ultrasn0w 1.2.1 unlock for iOS 4.3.1 that includes fix for signal bar issues.
Following guide can help you to activate iPhone 3GS, and iPhone 3G jailbroken with Redsn0w 0.9.6b5 or PwnageTool 4.1.3 and Ultrasn0w 1.2 unlocked, to fix battery drain with Redsn0w 0.9.6b6.
At the moment iPhone 3GS, 3G running over iOS 4.2.1 or 4.1 firmware on basebands 05.14.xx and 05.15.xx are unlockable with Ultrasn0w. Now, PwnageTool 4.1.3 gives option to update baseband of iPhone 3GS and 3G to 06.15.00, so that it would be possible to unlock those iPhones with Ultrasn0w 1.2.