Secrete code of Android smart phone

N.B:  If these code change your phone setting or make any harm I will not be responsible for it.

*#06# – IMEI Number
*2767*3855# – Factory Reset (All data will be erased)
*#*#4636#*#* - Phone Battery information
*#*#273282*255*663282*#*#* - All media file backup code
*#*#197328640#*#* – Service test mode
*#*#1111#*#* – FTA Software version
*#*#1234#*#* – PDA and Firmware version
*#*#232339#*#* – Wireless LAN test code
*#*#0842#*#* – Back light and vibration test
*#12580*369# - Software and hardware information
*#*#2664#*#* – Touch screen test
*#9900# – System dump mode
*#9090# – Diagnostic configuration
*#*#34971539#*#* – Camera information
*#872564# – USB log in control;
*#301279# – HSDPA/HSUPA Control menu
*#7465625# – Phone lock status

*#*#7780#*#*   – Factory re-store all account data will be erased
*2767*3855#   – Factory format settings. All internal and external data will be erased and firmware will reinstall
*#*#4636#*#* – Phone and Battery information
*#*#273283*255*663282*#*#* - File copy screen. All media data can be back upped
*#*#197328640#*#*-- Service and make some test or change settings
*#*#7594#*#* – It will change end call or power button to direct power off
*#*#8255#*#* - G Talk service monitor
*#*#34971539#*#* - Camera information. Don’t make any change or update

W-LAN, GPS and Bluetooth Test Codes:

*#*#232339#*#* OR *#*#526#*#* OR *#*#528#*#*  – W-LAN test
*#*#232338#*#* - WI-FI Mac address
*#*#1472365#*#* - GPS Test
*#*#1575#*#* - Another GPS Test
*#*#232331#*#* – Bluetooth test code
*#*#232337#*# - Bluetooth device information
*#*#0588#*#* - Proximity sensor test
*#*#0*#*#* - LCD test
*#*#2664#*#* – Touch Screen test
*#*#2663#*#* - Touch screen version
*#*#0283#*#* – Packet loop back
*#*#0673#*#* OR *#*#0289#*#* - Melody test
*#*#3264#*#* - Ram version test