While most iPhone users are aware of unofficial unlock methods, you may be surprised to discover that it’s possible to legally unlock your device, courtesy of Apple.

The above image is the not-often-seen official unlock notification, as displayed in iTunes. The dialogue succinctly confirms that the user’s iPhone, in this case a 3G, has been unlocked and can now be used on any carrier. Note the Apple logo at the top left — this is a result of an official unlock sanctioned by Apple.

Full story here: theappleblog.com