SOME INTERESTING & USEFUL SECRET CODES FOR ANDROID!!!!

Hey guys,
        as you all know nowadays phones haven't  remained just phones they have become "smartphones" and almost all the features and hardware of the phones have changed from the phones of past few years. A smartphone can do much more things then ordinary phones like you can play high graphic games , run heavy apps , using office apps like making ppt ,excel ,word,pdf documents
and doing photography like professionals using various photography apps and for all these works a smartphone needs different sensors , higher rams,heavy processors & powerful cameras. so its important to know about your phones features nowadays. 

• below are some useful codes that you can use to get different information and for doing some tests of your smartphone

         sample screenshots:

   

• *#06#                                       To check IMEI of your device, enter this code.
• *#0*#                                       To enter service menu on the very new Android phones.
• *#0228#                                  To check battery status.
• *#9090# / *#1111#               To make device in Service mode.
• *#*#4636#*#*                       To get information about battery, usage statistics and device.
• *#*#34971539#*#*               To get all information about camera.
• *#12580*369#                       To get software and hardware info.
• #7353#                                    To hide test menu 2/Self Test Mode.

• *#*#273283*255*663282*#*#*   For backup of our all media files.

• *#*#232338#*#*                      It display the Wi-Fi mac address.
• *#7465625#                               To view status of lock-phone.
• *#*#3264#*#*                          To show RAM version.
• *#*#44336#*#*                        To display build time and change list number.
• *#*#232337#*#                        To see or display device’s Bluetooth address.
• *#*#197328640#*#*               It enables test mode for service.
• *#*#8351#*#*                          To enable voice dial mode.
• *#*#8350#*#*                          To disable the voice dial mode.

• *#*#0842#*#*                          To test Back-light/vibration.
• *#*#2664#*#*                          To test the touch-screen.
• *#*#0289#*#*                          For Audio test.
• *#*#0*#*#*                              For LCD display test.
• *#*#232331#*#*                     To test Bluetooth of any Android device.
• *#*#0283#*#*                         To perform a packet loop-back test.
• *#*#1575#*#*                          For advanced GPS test.
• *#*#1472365#*#*                   To Perform a quick GPS test.
• *#*#0588#*#*                         To perform a proximity sensor test.
• *#*#7262626#*#*                   To perform field test.

• *#*#232339#*#*                     Testing Wireless LAN.
• *#9090#                                    To Diagnose configuration of device.
• *#872564#                                To control U-S-B logging.
• *#9900#                                    System dump mode. 
• *#*#7780#*#*                          Reset  to factory state.
• *2767*3855#                            To format Android device.

• *#*#4986*2650468#*#*       To get pda, phone, H/W and RF Call Date.  
• *#*#1234#*#*                          To know about pda and firmware version.                                      
• *#*#1111#*#*                          For FTA Software version. 
• *#*#2222#*#*                         For FTA Hardware version.
• *#*#7594#*#*                         To change power button behaviour once code enabled.      
• *#*#8255#*#*                         To launch Google Talk service monitor.