WORRIED Iphoners who have used hacks were left in the deep end when Apple sent out a firmware upgrade which turned their phones into shiny, pretty bricks. However, hackers have figured out how to roll back the upgrade, reports Macworld.

Instructions, available here on an iPhone development wiki, have been tested by the folk at Macworld and it turns out they’re in working order - a previously broken iPhone was reverted to a usable state although it had no access to the phone itself or data network.

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