Android Secret Codes

 Android also offers several secret codes, which can actually open a new world of smartphone computing for you. These codes are usually a sequence of numbers and symbols and meant to be entered through the usual phone dial pad which you usually use for inputting numbers before placing a call.
Following are the secret codes for you. Please read the subsequent result before trying them out, since a few codes are meant to wipe your entire system, pressing which you can lose your valuable data.

Code                      Description

*#*#4636#*#*                 Display information about Phone, Battery and usage statistics                                         
*#*#7780#*#*                  Resetting your phone to factory state-Only delete                                                                                            application data and applications 

*2767*3855#                     It's a complete wiping of your mobile also it                                                                                                   re installs the phones firmware

*#*#34971539#*#*         Shows completes information about the camera

*#*#7594#*#*                  Changing the power button behavior-Enables direct                                                                                        poweroff once the code enabled

*#*#273283*255*663282*#*#*      For a quick backup to all your media files

*#*#197328640#*#*       Enabling test mode for service activity

*#*#232339#*#* OR       For Wireless Lan Tests
*#*#526#*#*                     For Wireless Lan Tests

*#*#232338#*#*              Displays Wi-Fi Mac-address

*#*#1472365#*#*             For a quick GPS test

*#*#1575#*#*                     A Different type GPS test

*#*#0283#*#*                    Packet Loopback test

*#*#0*#*#*                         LCD display test

*#*#0673#*#* OR              Audio Test
 *#*#0289#*#*                     Audio Test

*#*#0842#*#*                     Vibration and Backlight test

*#*#2663#*#*                      Displays touch-screen version

*#*#2664#*#*                      Touch-Screen test

*#*#0588#*#*                      Proximity sensor test

*#*#3264#*#*                       Ram version

*#*#232331#*#*                   Bluetooth test

*#*#232337#*#*                   Displays bluetooth device address

*#*#8255#*#*                       For Google Talk service monitoring

*#*#4986*2650468#*#*    PDA, Phone, Hardware, RF Call Date firmware info                                             
*#*#1234#*#*                       PDA and Phone firmware info

*#*#1111#*#*                         FTA Software version

*#*#2222#*#*                       FTA Hardware version 

*#*#44336#*#*                     Displays Build time and change list number

*#06#                                       Displays  IMEI number

*#*#8351#*#*                        Enables voice dialing logging mode

*#*#8350#*#*                       Disables voice dialing logging mode