Secrate code of some smart phone

These code you can use most of the smart phone also android phone.
N.B: If these code change your phone setting or make any harm I will not be responsible for it.

• *#06# – IMEI number
• *#0*# – Enter the service menu on newer phones like Galaxy S III
• *#*#4636#*#* – Phone information, usage statistics and battery
• *#*#34971539#*#* – Detailed camera information
• *#*#273282*255*663282*#*#* – Immediate backup of all media files
• *#*#197328640#*#* – Enable test mode for service
• *#*#232339#*#* – Wireless LAN tests
• *#*#0842#*#* – Back-light/vibration test
• *#*#2664#*#* – Test the touchscreen
• *#*#1111#*#* – FTA software version
• *#12580*369# – Software and hardware info
• *#9090# – Diagnostic configuration
• *#872564# – USB logging control
• *#9900# – System dump mode
• *#301279# – HSDPA/HSUPA Control Menu
• *#7465625# – View phone lock status
• *#*#7780#*#* – Reset the /data partition to factory state
• *2767*3855# – Format device to factory state (will delete everything on phone)
• ##7764726 – Hidden service menu for Motorola Droid

More codes!

• *#*#7594#*#* – Enable direct powering down of device once this code is entered
• *#*#273283*255*663282*#*#* – Make a quick backup of all the media files on your Android device
• *#*#232338#*#* – Shows Wi-Fi MAC address
• *#*#1472365#*#* – Perform a quick GPS test
• *#*#1575#*#* – For a more advanced GPS test
• *#*#0283#*#* – Perform a packet loop-back test
• *#*#0*#*#* – Run an LCD display test
• *#*#0289#*#* – Run Audio test
• *#*#2663#*#* – Show device’s touch-screen version
• *#*#0588#*#* – Perform a proximity sensor test
• *#*#3264#*#* – Show RAM version
• *#*#232331#*#* – Run Bluetooth test
• *#*#232337#*# – Show device’s Bluetooth address
• *#*#7262626#*#* – Perform a field test
• *#*#8255#*#* – Monitor Google Talk service
• *#*#4986*2650468#*#* – Show Phone, Hardware, PDA, RF Call Date firmware info
• *#*#1234#*#* – Show PDA and Phone firmware info
• *#*#2222#*#* – Show FTA Hardware version
• *#*#44336#*#* – Show Build time and change list number
• *#*#8351#*#* – Enable voice dialing log mode, dial *#*#8350#*#* to disable it
• ##778 (+call) – Show EPST menu

HTC Devices Only:

• *#*#3424#*#* – Run HTC function test program
• *#*#4636#*#* – Show HTC info menu
• ##8626337# – Run VOCODER
• ##33284# – Perform field test
• *#*#8255#*#* – Launch Google Talk service monitor
• ##3424# – Run diagnostic mode
• ##3282# – Show EPST menu
• ##786# – Reverse Logistics Support