Download Ultrasnow to Unlock iPhone 3G on OS 3.0

For those who want to unlock iphone 3G on OS 3.0 fast, follow the below procedure to unlock the iPhone 3G on Firmware 3.0.

1. Ensure you have upgraded to iPhone OS 3.0.
2. Jailbreak the device using PwnageTool or Redsnow.
3. Run Cydia to install Ultrasnow.
4. Please add the repo repo666.ultrasn0w.com
5. Search for Ultrasnow and install it.
6. Reboot your iPhone 3G.

Please note that this method is only suitable to work with iPhone 3G which was previously unlocked with YellowSnow. And the method is not recommended to unlock an iPhone 3GS.

Related posts:

1. Download Ultrasnow to Unlock iPhone 3G on OS 3.0
2. UltraSn0w: Unlock for iPhone 3G to Support PIN-Locked SIMs
3. How to Unlock iPhone 3G OS 3.0 with UltraSn0w
4. How to Unlock iPhone 3GS OS 3.0 Using UltraSn0w
5. iPhone OS 3.0 gets ‘ultrasn0w’ unlock utility from Dev Team