Android secret codes

These codes have been obtained
by decoding various .apk files
present in the phone firmware. *#*#4636#*#* This code can be used to get some
interesting information about your
phone and battery. It shows
following 4 menus on screen: Phone information
Battery information
Battery history
Usage statistics *#*#7780#*#* This code can be used for a factory data reset. It'll
remove following things: Google account settings stored in
your phone
System and application data and
settings
Downloaded applications It'll NOT remove: Current system software and
bundled applications
SD card files e.g. photos, music
files, etc. PS: 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. *2767*3855# 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.
PS: 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. *#*#34971539#*#* 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. *#*#7594#*#* 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. *#*#273283*255*663282*#*#* This code opens a File copy screen
where you can backup your media
files e.g. Images, Sound, Video and
Voice memo. *#*#197328640#*#* This code can be 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



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