We have already discussed about iPhone 4 unlock and iOS 4 unlock. In the analysis, we pointed that as iPhone 3.1.3 on baseband 05.12.01 has been exploited by Sherif Hashim and the exploit was handed over to iPhone Dev Team about a month or two ago. But iPhone Dev Team didn’t pass it on to users because the exploit also exists in iOS 4 baseband 05.13.04.
Breaking:
- ultrasn0w 0.93 has been released by iPhone Dev Team. You can finally unlock iPhone 3.1.3 [05.12.01] on iPhone 3GS and 3G.
- ultrasn0w 0.93 also makes possible to Unlock iOS 4 iPhone 3GS 3G.
Now, MuscleNerd, has confirmed in a tweet that iOS 4 unlock exists and hopefully will also work on iPhone 4. So, the wait is going to be finally over for those who are also awaiting to unlock iPhone 3.1.3 firmware on 3GS. The iOS 4 download for public will be released on June 21st and first iPhone 4 shipment will arrive on June 24th. Therefore, it would not take more than one week to test ultrasn0w before it is released to unlock iPhone 4 iOS 4 and iPhone 3.1.3 05.12.01.
You may like to order a factory unlocked iPhone 4. You should also check

