Saturday, September 29, 2007

Software Update Disables Hacked IPhones

Apple Inc. has issued a software update that creates problems for iPhones modified to work with a cellular carrier other than AT&T Inc. and disables at least some unofficial programs installed on other iPhone handsets.


Apple warned earlier this week that the iPhone update _ which adds access to the iTunes Wi-Fi Music Store and fixes some security flaws _ could permanently disable phones running programs that untether phones from its exclusive partner's network.



Several gadget enthusiast Web sites, including Gizmodo and Engadget, as well as online postings from hacker communities reported that, depending on which unlocking program was used, certain modified phones no longer worked after they installed Thursday's software update. In some cases, the phones worked, but only with the original SIM card that ties the phone to AT&T.






The update -- iPhone V1.1.1 -- patches one bug in Bluetooth, two in the device's mail service, and seven in its Safari browser. U.S.-CERT is "strongly encouraging" users to review the advisory and follow best practices in determining what updates should be applied.

The fixes come out amid a lot of brouhaha in the research and hacker communities about software for sale that would enable the smartphone to work on any service provider with a standard GSM SIM card. Just this past Monday, though, Apple warned users that unlocking the programs used to connect the device to cellular networks other than AT&T (NYSE: T)'s causes "irreparable damage." The company also warned that the modifications would probably cause the iPhone to be inoperable when the updates were released.

It's not yet clear what the total effect will be from the fixes on unlocked devices, though reports are surfacing online that the update has disabled at least some unlocked iPhones. It's being reported on Gizmodo that the software update may make unlocked iPhones unusable.






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