The newly released iOS 4.1 Beta 2 features new baseband for iPhone 4, iPhone 3GS and iPhone 3G which makes these mentioned phones locked on this new firmware. The guy who found the exploit used in Ultrasn0w 0.93 has confirmed that this new baseband patches the exploit and therefore it is highly recommended to stay away from this firmware for now if you rely on an carrier unlock.
confirmed , the exploit used for ultrasn0w0.93 has been completely dismissed from 05.14.01 , 3g & 3gs unlockers NEVER go past 4.0.1
You have been warned ! Don’t go past iOS 4.0.1 if you want your unlock!
You may also like to check out:
- How to Jailbreak and Unlock iOS 4.0.1 on iPhone 3GS, iPhone 3G with Redsn0w
- How to Unlock iOS 4 with Ultrasn0w and Blacksn0w on 05.13.04 Baseband [Guide]
- How to Jailbreak and Unlock iOS 4.1 on iPhone 3G and iPod touch 2G with Redsn0w [Downgrade]
- How to Jailbreak iOS 4.0 on iPhone 3GS, iPhone 3G and iPod touch 2G using Redsn0w, PwnageTool 4.0 (Windows)