iPhone 3G Quốc tế tại Hong Kong - 1 tin thú vị !
 

YI: Apple Official Unlock is done via iTunes during the first unbricked (after firmware update or first iTunes tethering).

An unlocked iPhone from HK is pwnaged and restore with custom firmware (with phone activation option). Guess what has happened? It is relocked! Restore with an official firmware and then it gets unlock again. (Custom firmware without activation isn't tested.)

PS. I didn't do an experiment myself. Somebody with 3G from HK tested it and posted this in my his website (with my local language).

http://www.blogger.com/profile/14895643772417011379

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