Thanks to improved unlocking software solutions that have made it possible to make iPhone 3G to operate on any SIM card worldwide. There are several websites which have released their unique unlocking solutions for the most popular version of Apple iPhone, the new iPhone 3G. This handset is believed to be among the most advanced smart part phones throughout the world, with its advanced software and user friendly touch screen interface. apart from the software version where the handset is running, it can be unlocked and replaced with a new one. Moreover, with iPhone 3G unlock, users can have updates using the standard procedures within ITunes without being locked out, the prime feature that competitors are missing out. As bonus, iPhone 3G unlock enable users to get access to features and applications that Apple consider not to be worthwhile, including those but not limited to video recording and MMS.Sources:Unlock iPhone 3G