Hackers unlock iPhone (again)

Hackers have struck back against an iPhone software update from Apple that disabled unlocked phones. The iPhone Development Project has developed a method to install third-party apps and use upgraded iPhones on GSM networks other than AT&Ts, The Unofficial Apple Weblog reports.

The latest hack allows users who've already applied the 1.1.1 firmware upgrade to revert to the previous 1.0.2 update, "jailbreak" the device, and update to the 1.1.1 software while leaving the mobile phone functions still operational.

iPhone Atlas has successfully applied the hack, which it warns is not for novice users since it requires a modicum of familiarity with the iPhone's command line interface.

Help is also on hand for those left with expensive paperweights after upgrading to firmware version 1.1.1 on unlocked devices. A commercially available unlocking tool offers a chance to unlock the iPhone and restore it to working order.

The iPhoneSIMFree utility makes use of a TIFF image buffer overflow flaw in Safari to run code on the device, a bug Apple is sure to address in future software upgrades.

Read the whole article @ The Register

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