The iPhone DevTeam finally released their new version of ultrasnow which can finally let you insert your Smart and Sun Cellular sim cards to your iPhone 3G/3Gs and iPhone 4.
Before you do anything stupid, be sure that your you’ve already jailbroken your iPhone 4. Check this post if you haven’t rooted your phone yet.
This version of Ultrasnow works with the following basebands:
iPhone4 baseband 01.59
3G/3Gs basebands 04.26.08, 05.11.07, 05.12.01 and 05.13.04
How to unlock:
1. Load Cydia and add source: repo666.ultrasn0w.com
2. Install ultrasn0w
3. Respring your iPhone
4. Enjoy your new unlocked iPhone
If you’re a nerd like me and you wish to install Ultrasnow via command line, then you might want to download this debian file.
via: Xsellize.com
