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Friday, September 5, 2008

Nokia Phone - Lock Reset


Q. What is a Phone Lock?
Answer: From Nokia's webpage:
"The Phone Lock prevents your phone data from being accessed if Your phone is stolen.
"The lock code is a number that prevents unauthorized persons from Using your phone. These control codes are for your protection."

The program exploits a design flaw in the nokia mobile phones to remove The Phone Lock protection. The program was tested on Nokia 6630 and Nokia 6680. The program
Should work on any other Symbian based mobile phones (including Sony Ericson and all modern nokia phones and many others). This tool does not remove the sim-lock.

How to use:
You need two mobile phones.
1) Do _not_ turn off the mobile phone!
2) Remove the Memory Card (MMC) from the locked phone and put it into a second mobile. Install FExplorer on the second mobile phone. Create the directory E:\System\Recogs and copy the-nokia-unlock.mdl into this directory.
3) Remove the Memory Card and place it into the locked phone. The THE-NOKIA-UNLOCK program should start after 120 seconds.
4) Remove the battery. Remove the MMC. Put the battery back and restart. The Phone Lock has been reset to "12345".

Why does this work?
The Phone Lock disables the key pad, Bluetooth and the USB port. This makes it impossible to access the data stored on the device without knowing the correct code. Nevertheless the MMC is not disabled. Nokia's OS has a lot of undocumented features. One of them are 'recognizer' that can be used to execute a program when the phone boots. A recognizer is loaded and executed when a drive is mounted. The MMC is mounted when it is placed into the mobile phone _even_ when the phone is locked.

THE-NOKIA-UNLOCK is a recognizer that implementes yet another undocumented feature to perform a hard reset (by software) on the phone.