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.

iphone 4 unlock

[stextbox id=”alert”]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.[/stextbox]

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


[stextbox id=”info”]How to unlock:
1. Load Cydia and add source:
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.


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Giancarlo Viterbo is a Filipino Technology Journalist, blogger and Editor of, He is also a Geek, Dad and a Husband. He knows a lot about washing the dishes, doing some errands and following instructions from his boss on his day job. Follow him on twitter: @gianviterbo and @gadgetpilipinas.