Nokia Secret GSM codes

To check the IMEI (International Mobile Equipment Identity) type *#06#
Information you get from the IMEI :
XXXXXX XX XXXXXX X
TAC FAC SNR SPTAC = Type approval code
FAC = Final assembly code
SNR = Serial number
SP = SpareTo 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(generation)
TO ENTER THE SERVICE MENU type *#92702689# (*#WAROANTY#)-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
NOKIA 1610/1611
*#170602112302# show the software version
NOKIA 2110
*#3283# phone information
for 2110i *#170602112302# or *#9999# to see the software version
for 2110 *#682371158412125# to see the software version
NOKIA 3110
*#7780# make a reset
*#3110# to see the software version
*#92702689# to enter the secret menu
NOKIA 5110
*#0000# show the software version
*#92702689# to enter the secret menu
NOKIA 6110/6150
*#0000# show the software version
*#92702689# to enter the secret menu
NOKIA 8110/8210/8810
*#0000# show the software version
*#921702689# to enter the secret menu