Useful Nokia Secret Codes

To check the IMEI (International Mobile Equipment Identity)
Type-
*#06#
Information you get from the IMEI-
XXXXXX XX XXXXXX X
TAC FAC SNR SP

TAC = Type approval code
FAC = Final assembly code
SNR = Serial number
SP = Spare


To check the phones Software revision type
*#0000#
Information you get from the Software revision-
V 05.31
18-02-99
NSE-3
1ST Line = Software revision
2ND Line = The date of the software release
3RD Line = Phone type

To enter the service menu type
*#92702689#
Serial number (IMEI)
Production date (MM/YY)
Purchase date (MM/YY) You can only enter the date once.
Date of last repair (0000=No repair)
Transfer user data to another Nokia phone via Infra-Red


EFR CALL QUALITY
To activate EFR (Enhanced Full Rate) Enter the code-
*3370#
This improves call quality but decreases batterylife by about 5%
To deactivate it, Enter the code-
#3370#

SIM-LOCK CHECKS
[12345 This is the default security code]
#PW+1234567890+1# = GIVES PROVIDER-LOCK STATUS
#PW+1234567890+2# = GIVES NETWORK-LOCK STATUS
#PW+1234567890+3# = GIVES COUNTRY-LOCK STATUS
#PW+1234567890+4# = GIVES SIM-CARD-LOCK STATUS

CALL DIVERTING
*67*number# Turn on “On Busy” diverting to the phone number entered
*21*number# Turn on “All Calls” diverting to the phone number entered
*61*number# Turn on “No Reply” diverting to the phone number entered
__________________________________________________________________________


*#7780# Restore factory settings. With Some Models *#7370#
*#7760# Manufactures code
*#73# Reset phone timers and game scores.
*#67705646# Phone code that removes operator logo on 3310 & 3330

*#147# This lets you know who called you last (Only vodofone).
*#1471# Last call (Only vodofone) .
*#30# Lets you see the private number.