Some Useful Nokia Codes

These are the code which will work most of the Nokia mobiles
With these you can able view some configuration, performance testing, edit setting and many more.*3370# a this code is used to reduce the sound quality approximately up to 5%
#3370# it is one of the Deactivate Enhanced Full Rate Codec (EFR)
*4720# this is  to Activate Half Rate Codec - if your phone is having the low quality of sound on problem by typing the code you can gain upto 30% of sound quality .

#4720# it is used to Deactivate Half Rate Codec

*#0000#  this code is used to check the version ,data of manufacture ,which type of compression ,model number ,and language .

*#9999# it is used to check the phone software version if *#0000# is not working

*#06# it is used to check the IMEI (international Mobile Equipment Identity

#pw+1234567890+1# it is used to provide a lock ( first use “*” button then enter the password and after that “+” symbols )

#pw+1234567890+2# it is used to provide lock the network  (use the "*" button to obtain the "password " and "+" symbols).

#pw+1234567890+3# to lock the Country Lock (first use the "*" button to obtain the "password " and "+" symbols).

#pw+1234567890+4# it is to lock the SIM ( first use “*” button then enter the password and after that “+” symbols )

*#147# (vodafone) this code is used to check how many calls you have lost .

*#2640# this code is used to check the security code which was using presently.

*#30# this code is used to check the private code

*#43# it allows you to check the status of call waiting.

*#73# it allows you to Reset the game score and phone timer.

*#7760# it shows the Manufacture code.

*#8110# this code is used to check the software version of nokia 8110.

**21*number# it allows you to turn on to divert all calls to the phone number entered.

**61*number# allows you to turn on to divert No reply to the phone number entered.

**67*number# allows you to turn on to divert On busy   to the phone number entered.