iPhone 3G, 3GS Finally Get iOS 4.2.1 Carrier Unlock

Well guys, the day that iPhone 3G, 3GS users have been waiting for has finally come – Dev Team has just released their latest and greatest PwnageTool 4.1.3 and redsn0w 0.9.6beta5, which provide the first iOS 4.2.1 jailbreak that seamlessly works with carrier unlock support. Regretfully, it will only be useful with a baseband later than 05.13.04, but not to worry, fellow gadgeters, because the hack, that uses the 6.15.00 baseband from iPad firmware 3.2.2, will upgrade your modem during the quick and risky process, and hopefully turn it unlocked. Of course, it is not recommended to do this, only if you’re stuck on 05.14 or 05.15, and you’re willing to accept the risks it entails: no way back, you won’t be able to update again in the 05.xx sequence, warranty problems and inability to make a full stock firmware restore (You’ll need to only restore to custom IPSWs, which is what you’re probably doing right now).  If you’re still into it, after all, please proceed to the Dev-Team link below.

[Dev-Team Blog