NOKIA CODE

*3370#Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx. 5%
#3370#Deactivate Enhanced Full Rate Codec (EFR)
*#4720#Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time
*#4720#Deactivate Half Rate Codec
*#0000#Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type
*#9999#Phones software version if *#0000# does not work
*#06#For checking the International Mobile Equipment Identity (IMEI Number)
#pw+1234567890+1#Provider Lock Status. (use the "*" button to obtain the "p,w" and "+"symbols)
#pw+1234567890+2#Network Lock Status. (use the "*" button to obtain the "p,w" and "+"symbols)
#pw+1234567890+3#Country Lock Status. (use the "*" button to obtain the "p,w" and "+"symbols)
#pw+1234567890+4#SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+"symbols)
*#147#(vodafone) this lets you know who called you last
*#1471#Last call (Only vodofone)
*#21#Allows you to check the number that "All Calls" are diverted to
*#2640#Displays security code in use
*#30#Lets you see the private number
*#43#Allows you to check the "Call Waiting" status of your phone.
*#61#Allows you to check the number that "On No Reply" calls are diverted to
*#62#Allows you to check the number that "Divert If Unreachable (no service)"calls are diverted to
*#67#Allows you to check the number that "On Busy Calls" are diverted to
*#67705646#Removes operator logo on 3310 & 3330
*#73#Reset phone timers and game scores
*#746025625#Displays the SIM Clock status, if your phone supports this power savingfeature "SIM Clock Stop Allowed", it means you will get the best standbytime possible
*#7760#Manufactures code
*#7780#Restore factory settings
*#8110#Software version for the nokia 8110
*#92702689#Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of lastrepair (0000 for no repairs), 5.Transfer User Data. To exit this mode youneed to switch your phone off then on again
*#94870345123456789#Deactivate the PWM-Mem
**21*number#Turn on "All Calls" diverting to the phone number entered
**61*number#Turn on "No Reply" diverting to the phone number entered
**67*number#Turn on "On Busy" diverting to the phone number entered
12345This is the default security code
*#3283# or *#DATE#Date of Manufacture
*#682371158412125#Software Version
Thank You!