Sn0wbreeze 2.3b4 (beta 4) has been released by iH8sn0w and is available to download. Unlockers could be happy as Sn0wbreeze 2.3b4 supports iOS 4.3 unlock after jailbreaking with it. But still, jailbreaking your device with Sn0wbreeze 2.3b4 could give you a tethered jailbreak only.
- ultrasn0w now works for basebands (01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00)
- ultrasn0w is NOT compatible with the folllowing basebands (02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04)
- Upgrading your iPhone 3GS baseband to the 06.15.00 iPad baseband hack to unlock may cause you to lose your GPS!
Download Sn0wbreeze 2.3b4 from here