Here is a wide collection of secret codes for your mobile with Android

Here is a wide collection of secret
codes for your mobile with Android
OS(Can be Called as Android Tricks).
These codes enables you to access
the hidden options which are not
shown by default on your device,
and can be used for testing the
functions of various utilities used by
your mobile.
Note: We Cannot guaranty that
these codes will work on all Android
mobiles!
These codes are used only by
technicians, So be careful with them
and use it at your own risk.
General Codes:
*#06# – Display’s IMEI number.
*2767*3855# – This code will Format
your device to factory state (will
delete everything on phone).
*#*#4636#*#* – Display’s Phone
information, usage statistics and
battery.
*#*#273282*255*663282*#*#* –
This code will Immediately backup of
all media files.
*#*#197328640#*#* – This code
will Enable test mode for service.
*#*#1111#*#* – Will display FTA
software version.
*#*#1234#*#* – Will show PDA and
firmware version.
*#*#232339#*#* – Wireless LAN
tests.
*#*#0842#*#* – This code is used
for Backlight/vibration test.
*#12580*369# – Display’s Software
and hardware info.
*#*#2664#*#* – This code is used
for Testing the touchscreen.
*#9900# – System dump mode.
*#9090# – Diagnostic configuration.
*#*#34971539#*#* – Will display
Detailed camera information.
*#872564# – USB logging control.
*#301279# – HSDPA/HSUPA Control
Menu.
*#7465625# – This code will display
phone’s lock status.
*#0*# – Enter the service menu on
newer phones like Galaxy S III.
*#*#7780#*#* – Reset the /data
partition to factory state.
Basic Codes:
*#*#7780#*#* – This code is used
for factory restore setting.This will
remove Google account setting and
System and application data and
settings.
*2767*3855# – This code is used for
factory format, and will remove all
files and settings including the
internal memory storage. It will also
re install the firmware.
*#*#4636#*#* – This code show
information about your phone and
battery.
*#*#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.
*#*#7594#*#* – This code enable
your “End call / Power” button into
direct power off button without
asking for selecting any option(silent
mode, aero plane and power-off).
*#*#8255#*#* – This code can be
used to launch G Talk Service
Monitor.
*#*#34971539#*#* – This code is
used to get camera information.
Please avoid update camera
firmware option.
W-LAN, GPS and Bluetooth Test
Codes:
*#*#232339#*#* OR *#*#526#*#*
OR *#*#528#*#* – W-LAN 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 launch various Factory
Tests:
*#*#0842#*#* – Device test
(Vibration test and BackLight test).
*#*#0588#*#* – Proximity sensor
test.
*#*#0*#*#* – LCD test.
*#*#2664#*#* – Touch screen test.
*#*#2663#*#* – Touch screen
version.
*#*#0283#*#* – Packet Loopback.
*#*#0673#*#* OR *#*#0289#*#* –
Melody test.
*#*#3264#*#* – RAM version.
Code for firmware version
information:
*#*#1111#*#* – FTA SW Version.
*#*#2222#*#* – FTA HW Version.
*#*#44336#*#* – PDA, Phone, CSC,
Build Time, Changelist number.
*#*#4986*2650468#*#* – PDA,
Phone, H/W, RFCallDate.
*#*#1234#*#* – PDA and Phone.