Note – The method described below is actually “Dead phone USB flashing” so you can follow this process to flash/reset/update bricked Nokia phones for reasons other than a lost security code also.
It happens frequently that we change the default security code of our phone and then forget the new code. This results in a locked phone and one has to shell out money to Nokia Care/mobile repairing shop to fix the issue. However with a little know-how and following the steps given below you can save some money and most importantly have peace of mind by resetting the security code yourself. Before getting started with the process let’s go through the basics and the precautions –
Warning – This process should work for all Nokia mobile phones (Asha, S40, Nokia