iPhone partially unlocked by hackers

Software makes the iPhone work with any SIM card

An unlocked Apple iPhone might not be far away, as some hackers today claimed they have bypassed some of the locks placed on the device by Apple and AT&T .

The Apple iPhone

Of course, the lock-in also means that people in the rest of the world can't buy an Apple iPhone and stick their domestic SIM card in it in order to save on US roaming call charges that would otherwise incur.

By using software called iASign

Contributors to the iPhone Dev Wiki website are continuing to work on a means of unlocking the Apple iPhone for any mobile operator, but report that the device is extremely well-protected, having a maximum number of unlock attempts and a unique network control key for each unit.

Any unlock hack is also only likely to be temporary - software updates from Apple are bound to seal any hacker-friendly chinks in the iPhone's lock-in armoury.