Here is the important codes for the mobile devices.
Note that all codes does not works in all mobile devices.
Most of the given codes are for NOKIA phones.
FOR FORMAT *#7370#
To Format ur phone (series 60,80)
After entering this code phone will ask LOCK CODE. It is 12345 for NOKIA.
After entering lock code phone will be restarted and phone memory will be deleted.
PLZ REMOVE UR MEMORY CADR BEFORE FORMATING IT
*#7780#
It is same as above code.
But it is for soft format.
(* and 3 and call key and power key at a same time.)
By this code ur phone will be Hard Formated.
FOR WALLET *#7370925538#
It is for WALLET.
If u forgot ur WALLET CODE than by this code it will be deleted and u than have to enter new code.
GENERAL INFO *#0000#
It shows software version.
*#06#
It shows IMEI code.
DIFFRENT LOCK STATUS'S #Pw+1234567890+1#
It shows provider lock status.
Use button "*" to enter p and w and + sign.
#Pw+1234567890+2#
It shows network lock status.
#Pw+1234567890+3#
It shows country lock status.
#Pw+1234567890+4#
It shows sim card lock status.
DIVERTS *#21#
It shows all calls divert to numbers.
*#30#
It shows private numbers.
*#43#
Shows call waiting status.
*#73#
Repets game scores.
12345
Its a default code of Nokia.
*#2820#
will show Bluetooth device address.
