Secret Codes To Check Chinese Smartphone Sensors -

(Last Updated On: September 6, 2022)

There’s more to the dialer screen on your smartphone than meets the eye. Besides its obvious purpose of calling people, there’s a vast array of secret codes you can input to troubleshoot your device, reveal important information, make anonymous phone calls, and so much more.

The secret codes mentioned here are applicable to any brand of Android phone including Chinese mobile phones like OnePlus, Vivo, and Xiaomi. Let’s check them out:

List Of Useful Secret Codes For OnePlus, Vivo, And Xiaomi

Secret Code	Purpose of Use
##4636##	Battery information, Phone information, Battery History, Wi-Fi information, Usage statistics
##7780##	For Factory Reset: System and app data and settings; Google account settings kept in the smartphone; All downloaded apps
##34971539##	To get information about the camera of the mobile phone: Update camera firmware on SD card; Update camera firmware in the image; Get firmware update count; Get camera firmware version
27673855#	The data, files, and settings on the phone’s internal memory will be formatted and deleted. The firmware of the phone will also be reinstalled.
##273283255663282##*	This code will launch a File copy screen where you can back up media files including movies, songs, photographs, and more.
##7594##	To modify the “End Call / Power” button option, enter this secret code.
##197328640##	This code is used to enter service mode so that various tests and setting adjustments can be made.

Useful Secret Codes For Factory Tests

Secret Code	Purpose of Use
##0##*	LCD Test
##3264##	RAM Version
##0673##	Melody Test
##0588##	Proximity Sensor Test
##0283##	Packet Loop Back
##2664##	Touch Screen Test
##2663##	Touch Screen Version
##0842##	Vibrator and Backlight Test

WLAN, GPS, And Bluetooth Secret Codes

Secret Code	Purpose of Use
##1472365##	GPS Test
##232339##	WLAN Test
##8255##	To launch GTalk Service Monitor
##232338##	Displays WiFi MAC Address
##232337#*#	To Display Bluetooth Device Address
##232331##	Bluetooth Test

Please take note that one should use these secret codes at their own risk. If you are a beginner, then we suggest obtaining the advice of some professional or experienced user before using these codes. These helpful secret codes are designed to be used by knowledgeable users, not novices.