"you may as well add every GSM nextwork to the list" Really, you should be able to, but since it's only a trial and error based unlock method, it can't be known for sure as the proper unlocking method had not been released by Apple.
Real example: An unlocked Motorola phone will be locked again if a locked firmware is loaded onto it, but before this, it is possible to reset the unlock code to 00000000 so that the handset is easily unlocked again no matter what locked firmware is applied. There is at lease one exception though, loading Three Australia firmware onto the phone will lock the phone and the phone will not accept the unlock code 00000000 even though any other carrier's software would.
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"you may as well add every GSM nextwork to the list"
Really, you should be able to, but since it's only a trial and error based unlock method, it can't be known for sure as the proper unlocking method had not been released by Apple.
Real example: An unlocked Motorola phone will be locked again if a locked firmware is loaded onto it, but before this, it is possible to reset the unlock code to 00000000 so that the handset is easily unlocked again no matter what locked firmware is applied. There is at lease one exception though, loading Three Australia firmware onto the phone will lock the phone and the phone will not accept the unlock code 00000000 even though any other carrier's software would.