what does the Nokia reset code do to a N73?

Image via Wikipedia A hard reset will reset your N73 phone to the point it was when you got it.  I keyed in *#7370# and it prompted me "restore factory settings to default?"  I clicked yes.  It then asked me for my "lock code"... I keyed in 12345 and clicked OK.  The phone restarted and asked me to select my current city, current time, and