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Android is one of the popular OS. Nowadays a small kid is also having an android phone.
COMPLETE INFORMATION ABOUT YOUR PHONE :-
This code can be used to get some interesting information about your phone
and battery. when you press the code it will show following information
Phone information
Battery information
Battery history
Usage statistics
FACTORY DATA RESET
as known by the name it is the only code to reset your factory data
Google account settings stored in your phone
System and application data and settings
Downloaded applications
It'll NOT remove:Current system software and bundled application
SD card files e.g. photos, music files, etc.
Note: Once you give this code, you get a prompt screen asking you to click on
"Reset phone" button. So you get a chance to cancel your operation.
FORMAT ANDROID PHONE
Think before you give this code. This code is used for factory
format. It'll remove all files and settings including the internal memory
storage. It'll also reinstall the phone firmware.
Note: Once you give this code, there is no way to cancel the operation unless
you remove the battery from the phone. So think twice before giving this code.
PHONE CAMERA UPDATE
This code is used to get information about phone camera. It shows following 4
menus:
Update camera firmware in image (Don't try this option)
Update camera firmware in SD card
Get camera firmware version
Get firmware update count
WARNING: Never use the first option otherwise your phone camera will stop
working and you'll need to take your phone to service center to reinstall
camera firmware.
END CALL / POWER
This one is my favorite one. This code can be 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.
FILE COPY FOR CREATING BACKUP
This code opens a File copy screen where you can backup your media files e.g.
Images, Sound, Video and Voice memo.
SERVICE MODE
This code can be used to enter into Service mode. You can run various tests
and change settings in the service mode.
WLAN, GPS & BLUETOOTH TEST CODES:
*#*#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
CODES TO GET FIRMWARE VERSION INFORMATION
*#*#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:
*#*#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