How to factory reset on nokia c200?

— The default code for factory reset is 12345. This is the standard security code...

— The default security code that you must use in order to perform a factory reset...

— In order to perform a factory reset of your device, you need to know the...

— If you want to reset the phone to its factory defaults then please type *#7780#...

— Performing a factory reset on your device might help to improve its battery...

— If you want to hard reset the phone, then you need to enter Recovery menu. To...