Hidden secret codes on Android Phones


Codes can be used to read and set/reset stuff on your phone.

*#*#4636#*#*
Used to get some information about the phone and battery
Phone, Battery, Battery history, Usage statistics

*#*#7780#*#*
Reset phone to factory data.
– Remove
* Google account settings stored in your phone
* System and application data and settings
* Downloaded applications
– NOT remove
* Current system software and bundled applications SD card files e.g. photos, music files, etc.

You will get a prompt asking you to click on “Reset phone”. You kinda get a chance to cancel your operation.

*2767*3855#
Format to factory settings,
– Remote
* all files and settings
* internal memory storage.
– Reinstall the phone firmware
– There is no way to cancel the operation unless you remove the battery from the phone.

*#*#34971539#*#*
Get information about phone camera.
– Update camera firmware in image WARNING: Never use this option, since your phone camera will stop working (you’ll need to take your phone to service center to reinstall camera firmware).
– Update camera firmware in SD card
– Get camera firmware version
– Get firmware update count

*#*#7594#*#*
Used to change the “End Call / Power” button action in your phone. Be default, if you long press the button, it shows a screen asking you to select any option from Silent mode, Airplane mode and Power off. You can change this action using this code. You can enable direct power off on this button so you don’t need to waste your time in selecting the option.

*#*#273283*255*663282*#*#*
Opens a File copy screen where you can backup your media files e.g. Images, Sound, Video and Voice memo.

*#*#197328640#*#*
Used to enter into Service mode. You can run various tests and change settings in the service mode. WLAN,

GPS and Bluetooth Test Codes:
*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#* – WLAN test (Use “Menu” button to start various tests)
*#*#232338#*#* – Shows WiFi MAC address
*#*#1472365#*#* – GPS test
*#*#1575#*#* – Another GPS test
*#*#232331#*#* – Bluetooth test
*#*#232337#*# – Shows Bluetooth device address
*#*#8255#*#* This code can be used to launch GTalk Service Monitor. Codes to get Firmware version information: *#*#4986*2650468#*#* – PDA, Phone, H/W, RFCallDate
*#*#1234#*#* – PDA and Phone
*#*#1111#*#* – FTA SW Version
*#*#2222#*#* – FTA HW Version
*#*#44336#*#* – PDA, Phone, CSC, Build Time, Changelist number

Codes to launch various Factory Tests:
*#*#0283#*#* – Packet Loopback
*#*#0*#*#* – LCD test
*#*#0673#*#* OR *#*#0289#*#* – Melody test
*#*#0842#*#* – Device test (Vibration test and BackLight test)
*#*#2663#*#* – Touch screen version
*#*#2664#*#* – Touch screen test
*#*#0588#*#* – Proximity sensor test
*#*#3264#*#* – RAM version NOTE: All above codes have been checked on Google Android phone Samsung Galaxy I7500 only but they should also work in other Google Android phones.

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