This is a really helpful video to teach you how to unlock an iPhone 3g. Widely appreciated, this video makes it very fun to unlock the iPhone. With the help of this video, even a novice can unlock the iPhone. Also, it is a very safe and tested method for unlocking; thus, there is no risk in giving it a try. This type of video is really helpful for the tech-savvy youths who spend a lot of money to get their devices unlocked or repaired. At last, a very, very helpful video.