ANDRIOD PHONE CODE

Here are some android phone secret code which You might fine useful

NOTE: If some codes don't work on your mobile phone, try to use
only *# in the start of the code and only #* or only # at the end of
the secret code. For example *#4636#* or *#4636# .
*#*#4636#*#*

This code can be used to get some interesting information about
your phone and battery. It shows following 5 menus on screen:
Phone information
Battery information
Battery history
Usage statistics
Wifi information

Menus might differ for different mobile phones. Check out following
video which shows the above code in action:
*#*#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
This code is used to get information about phone
*#*#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#*#* or *#*#32489#*#* or
*#*#0011#*#*
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
*#*#12580*369#*#* - Check software and hardware
information
*#*#0228#*#* - Check battery status
*2767*4387264636# - Display product code
*#*#7465625#*#* - Check phone lock status
*#*#272886#*#* - Change automatic answer selection
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)
*#*#0589#*#* - Light censor test
*#*#0782#*#* - Real time clock 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.