If you're unlucky enough to lose your Smartphone or have it stolen, anyone who finds the device will also be able to access any content stored on the device, whether its contacts, music or documents.
But by implementing a SIM card PIN lock, everytime the device is powered down and subsequently switch back on again, the PIN will need to enter before the phone can be used.
In a Proof of Concept video, he demonstrates that how an attacker can bypass the restricted section of the iPhone, when Sim Lock is enabled on a Stolen iPhone Device.
Flaw can be exploited without user interaction and successful exploitation results in the bypass of the SIM lock mode to the regular lock mode.
Follow Steps to bypass SIM Lock on stolen Devices:
This flaw does not cover Regular Passcode bypass. For that attacker need to use other ways. Shortly after the iOS 7 release date earlier this month, users discovered a lock screen flaw that allowed users to use a simple exploit in order to view private details on the iPhone, iPad or iPod touch.
Apple worked quickly to fix the issue and rolled out iOS 7.0.2, an update aimed at adding Greek keyboard support and tackling the lock screen security flaw. But Just after that another Screen Lock Bypass bug appeared on the Internet. The growing number of iOS 7.0.2 problems are now frustrating iPhone and iPad users.