Nokia All Secret Codes

*#06#                IMEI
*#0000#            view Software Version
*#746025625#    [*#sim0clock#]
*#92702689#      [*#war0anty#]   secret menu:
 1. Displays Serial Number
 2. Displays the Month and Year of Manufacture (0997)
 3. Displays (if there) the date where the phone was purchased
 4. Displays the date of last repairment - if found (0000)
 5. Makes you capebel of transferring user data
 6. Shows how many hours the phone has been on

*3370#      Enhanced Full Rate Codec (EFR) activation
#3370#     Enhanced Full Rate Codec (EFR) deactivation
*4370#      Half Rate Codec activation
#4370#     Half Rate Codec deactivation
xx# - xx position in Phone Book

NOKIA 9000

*#06#   IMEI
*#682371158412125#  soft version
*#3283#    prod. date

NOKIA 7650

*#7979#    phone reset
*#7470#    hard reset
*#7370#    master reset (like new phone)