Bluetooth MAC address

If your Nokia cell phone has inbuilt Bluetooth connectivity, then if you dial this code below, it will display the MAC Addres of your Bluetooth
*#2820# – Display Bluetooth MAC address
A Media Access Control address (MAC address) is a unique identifier assigned to network interfaces for communications on the physical network segment.

Sony Ericsson Secret Menu

In your Sony Ericsson cell phone, dial the following:

> * < < * < *
> means press joystick or arrow keys to right
< means press joystick or arrow keys to left

The Service Menu will appear containing following information:

  • Service Info
    • Software Version
    • SIM lock
    • Configuration
  • Service Setting
    • Contrast
  • Service Test
    • Display
    • LED/Illumination
    • Keyboard
    • Buzzer
    • Vibrator
    • Earphone
    • Microphone
    • Real Time Clock
    • Joystick Counter

Motorola Secret Codes

Dial these codes below in your Motorola Mobile to enable their corresponding function:

Note: In the codes below, [] (pause) can be dialed by pressing  & holding the * key until box appears.

  • Lock keys: *7
  • Select phone line (to write below the provider name): [] [] [] 0 0 8 [] 1 []
  • Add phone book to main menu: [] [] [] 1 0 5 [] 1 []
  • Add messages to main menu: [] [] [] 1 0 7 [] 1 []
  • Copy SIM memory (phone book menu): [] [] [] 1 0 8 [] 1 []
  • English Field options (main menu): [] [] [] 1 1 3 [] 1 []
  • Slow (Frequency of search menu): [] [] [] 1 0 1 [] 1 []
  • Medium (Frequency of search menu): [] [] [] 1 0 2 [] 1 []
  • Fast (Frequency of search menu): [] [] [] 1 0 3 [] 1 []
  • Function: [] [] [] # # # [] 1 []
  • Change pin: [] [] [] 0 0 4 [] 1 []
  • Unblocking using the “puk” number: [] [] [] 0 0 5 [] 1 []

Note: In the codes below, [] (pause) can be dialed by pressing  & holding the * key until box appears.