Nokia Lumia Secret Codes

Is there a secret code for Lumia nokia too? O, of course. Lumia secret code on Nokia 800 and all other Windows phones lets you through a diagnostic tool to check the functionality of your mobile phone components. Diagnostic tools give you access to test
all the hardware of the phone if it is working properly or not. You can use this feature to check your phone to make sure that all hardware is working properly, such as cameras and dead pixels on your LCD screen and much more.

To access the diagnostic tools on Nokia Lumia 800 open Phone Dialer and enter the code ##634# this will trigger the tools menu and you will see the list of below tools.

  • Accelerometer
  • ALS
  • Audio Loopback
  • DTMF
  • Hardware Buttons
  • Bluetooth
  • Camera
  • Battery Status
  • Headset Detection
  • LCD White
  • Lights
  • Magnetometer
  • Power Source
  • Proximity
  • Speaker
  • Touch
  • Vibra


  1. Well ! I would like to add some secret codes here : Code: ##3282# or ##3282w/call
    Typing - ##3282 or ##3282# - Field Test.
    Description: These devices have the ability to manually change their network type "2G, 3G, or LTE". ##3282+ taping Call works on L920.

    Network unlock codes are available at