The iPhone Dev Team has released updated UltraSnow 1.2.4 that includes support to unlock iPhone 4, iPhone 3GS running over iOS 5.
UltraSnow 1.2.4 supports following basebands.
iPhone 4
- 01.59.00
iPhone 3GS/3G
- 04.26.08
- 05.11.07
- 05.12.01
- 05.13.04
- 06.15.00
How to Unlock iOS 5 with UltraSn0w
Requirements:
Step-1
Open “Cydia” on your iPhone
Step-2
Tap on “Search” tab and search for UltraSn0w 1.2.4
Step-3
Install UltraSn0w 1.2.4 and its installation will automatically unlock iOS 5 on your iPhone
On finish just reboot your iPhone and that’s it.