iPhone iOS 4.1 Problem: Locked Screen Calling Flaw

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It has been reported that a new security flaw has been found within Apple’s iPhone iOS software. Similar to the Droid X one we told you about recently, the flaw will allow users to make calls despite the handset being in lock mode.

As reported from RedmondPie, the bug is triggered when a user enters the emergency call mode on the lock screen, and then typing a non emergency number. If you then press call and quickly press the lock button, you’ll then bypass the security and be able to view your contact list and make calls as normal.

This is obviously a bug which is yet to be picked up by Apple, and could become a major problem if users lose or get their iPhone stolen.

RedmondPie has confirmed that his affects both normal and jailbroken iPhones, so we’re guessing that Apple will now work on a patch to fix this ready for the iOS 4.2 update.

What are your thoughts on this? Try bypassing it yourself and let us know if it worked for you too. There is a video over at RedmondPie showing the process.

Also See: In-car iPhone 5, 4/4S holder options – Hands-on review

  • Jason Fitzgerald

    yep, that works for me. Just tried bypassing the PIN code and the phone has failed spectactulary. I can now access all the contacts in the phone