Blacksnow, which is a popular unlocking tool for both iPhone 3G and iPhone 3GS running iPhone OS 3.1.2 or 3.1.3. It has now been successfully ported to unlock and work with iPhone 3GS with baseband 05.11.07 running iPhone OS 4.0 beta 4.
This blacksnow unlocking tool is based on the original blacksnow unlock by Geohot and binaries provided by msft.guy. The guide to unlock iPhone 3GS running iPhone OS 4 beat 4 is posted below.
You may also like to read:
- How to: Jailbreak iPhone OS 4.0 beta 4 using Redsnow 0.9.5
- Jailbreak iPhone 3GS running OS 4 using custom ipsw
- Download Spirit tool jailbreak for Windows, Mac OS X, Linux
- Download iPhone OS 4.0 beta 4
If you’re a experienced user then you can give it a try on your own risk but it is highly recommended you to stay away from this blacksnow unlock tool as the official unlock for iPhone OS 3.1.3, baseband 05.12.01 by iPhone Dev Team will be available soon after the official release of iPhone 4G and iPhone OS 4 by Apple in the WWDC 10 event.
This blacksnow unlock port is buggy and you’ve to re-apply the patched files every time you reboot your iPhone.
How to Unlock iPhone 3GS running OS 4
The step by step guide for unlocking iPhone 3GS on iPhone OS 4 beta 4 with baseband 05.11.07 using blacksnow tool is given in the video embedded below:
Download Blacksnow to unlock iPhone 3GS baseband 05.11.07 running OS 4.0 beta 4
Update 1: Blacksn0w unlock tool for iPhone 3GS baseband 05.11.07 on iOS 4 GM candidate has been released, to download it then head over to this post