There you go! There are two things to say, first of all you should know that after the release of iOS 4.3 there will be no support for iPhone 3G and iPod Touch 2G. Secondly, iOS 4.3 would support devices like, iPhone 4, iPhone 3GS, iPad, iPod touch 4G, iPod Touch 3G and Apple TV of course.

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Now, what does this mean? This means that if you are an owner of iPhone 3G or iPod Touch 2G then your device is unlocked for life. This, indeed is a great news for all the folks using discussed iDevices. Now if you are looking to unlock your iDevices, you must use the ultrasn0w unlock 06.15, just to unlock your devices for life. This has been confirmed by an active member of iPhone Dev Team, the screenshot above is a  proof.

Follow the guide to unlock iPhone 3G using Ultrasn0w. The guide shows how to jailbreak iOS 4.2.1 using PwnageTool, then after that unlock guide for iPhone 3G using Ultrasn0w. Here is the guide to Update iPhone 3G,3GS Baseband To 06.15.00 & Unlock On iOS 4.2.1 Using Ultra Sn0w 1.2.

via [Very Rite]