Secret codes in a mobile helps user to check proper functionality of mobile, unlock hidden features ,or to diagnose the mobile. Such a code is also there in the mobiles of Nokia lumia series. The code will open a diagnostic tool and it 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
Vibration
This code will work on all the models of Nokia lumia series like, lumia800, lumia710 etc.
on Lumia 920 show only color and lifetime
great….nice for my lumia 710
wat abt 610
Not working on 820 jst show timer and color
Lumia all modules I am very lick
But how to activate it
not working on 520 even.. only giving color details 🙁
Its working on my mobile710
Not working lumia 820 ,only color & timer….
Does NOT work on "all lumia series". This does not work on the Lumia 820. Odd that it only seems to work on phones that HAVE diagnostics already available in the menu. Not much of a "secret" then is it?
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