A complete list of hidden commands for Android phones, please consider carefully before using them, especially those involving formatting or restoring factory settings!
Note: Due to the large number of Android versions, some inherent hidden commands may not be available (the author uses HTC The legend test found that some commands are available, such as *#*#4636#*#*)
Information
*#*#778#*#*
Resetting to original factory settings will not delete default programs and SD card files.
*2767*3855#
Resetting to original factory settings will delete all files on the SD card.
*#*#34971539#*#*
Display the camera firmware version, or update the camera firmware
*#*#7594#*#*
When long pressing the power off button, a window for switching phone modes will appear, including: For silent mode, airplane mode and shutdown, you can use the above code to directly turn it into a shutdown button. \
\ Audio and video, etc.
*#*#197328640#*#*Start the service mode, you can test some settings of the mobile phone and change the settings
WLAN, GPS and Bluetooth test codes
*#*#232339#*#* or *#*#526#*#* or *#*#528#*#* – WLAN Test
*#*#232338#*#* – Display WiFi MAC Address
*#*#1472365#*#* – GPS Tests
*#*#1575#*#* – Other GPS Tests
Display the Bluetooth device address
H/W, RFCallDate
*#*#1234#*#* – PDA and Phone
*#*#1111#*#* – FTA SW Version
*#*#2222#*#* – FTA HW Version
*#*#44336#*#* – PDA, Phone, csc, build Time, anzhi. name, changelist number
Various hardware tests
*#*#0289#*#* – Melody test
\ Touch screen version
*#*#2664#*#* – Touch screen test
*#*#0588#*#* – Proximity sensor test
