Nokia Cell phone secret code means, you can find essential data, Option, give command by pressing a small code, here I have collected a small and essential and very useful code for Nokia Handset. This small post is very useful who is study on mobile Engineering Sector, and who are involved in Mobile repairing sector. Here’s the list-
*#2640#      -       Security Code will show

*#43#          -        Call Waiting Status shown by this small code

*#2820#      -       Bluetooth Information will show by this code

*#7370#      -      To format memory card of mobile phone

*#7780# -      Use to Restore Defaults factory settings
*#3283#       -      Manufacture Date (When Mobile set Made)

*#73#            -      To Reset Phone Timer and game score.

*#0000#     -      To watch Firmware Version

*#06#           -      IMEI Security Number will show

*#7760#      -     This code Will Show Production Serial Number

*#bta0#        -     To Show Bluetooth Mac Address will show

*#delset#       -   Well, this code delete GPRS and Email setting

*#92702689#     - Warranty Related Setting will show

*#7328748263373738#     -  Security Code will default

*#746025625#            -   This code use to close sim watch.

*#67705646#  -    Delete Operator Logo