Ultrasnow 1.2 iOS 4.2.1 is the latest version of the well-known ultrasnow unlock tool released by Dev Team. With Ultrasnow 1.2 iOS 4.2.1 you can jailbreak iOS 4.2.1 and unlock iPhone 3GS and iPhone 3G running iOS 4.2.1 to work with any carrier you like. In order for Ultrasnow 1.2 iOS 4.2.1 unlock to work for your iDevice you need to install 06.15.00 Baseband (iPad 3.2.2 baseband) and this process is not reversible.
Ultrasnow 1.2 iOS 4.2.1 unlock will work for:
• iPhone 3GS baseband 06.15.00
• iPhone 3G baseband 06.15.00
Here Ultrasnow 1.2 iOS 4.2.1 to unlock iPhone 3GS/3G is available for free download.
How to unlock iPhone 3G and iPhone 3GS using the Ultrasnow 1.2 iOS 4.2.1 unlock.
- Tap on Cydia
- Tap “Manage” > “Sources”
- Tap “Edit” > “Add”
- Enter ”http://repo666.ultrasn0w.com” and then tap “Add Source”
- Wait for Cydia to finish all updates and then search and install Ultrasnow 1.2.
- Restart your iPhone 3GS / 3G and insert the SIM of your choice. You have successfully unlocked iPhone 3GS / 3G iOS 4.2.1 with any carrier.