*#06# – IMEI Number
*#0*# – Enter the service menu on newer phones smartphones
*#*#4636#*#* – Phone information, usage statistics and battery
*#*#34971539#*#* – Camera information
*#*#273282*255*663282*#*#* – Full backup of media files
*#*#197328640#*#* – Enable the test mode for service
*#*#232339#*#* – Wireless LAN tests
*#*#0842#*#* – Backlight, vibration test
*#*#2664#*#* – Test the touch screen
*#*#1111#*#* – FTA software version (1234 in the same code will give PDA and firmware version)
*#*#1111#*#* – PDA and firmware 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 in factory state
*2767*3855# – Format device to factory state (will delete everything on phone)
##7764726 – Hidden service menu for Motorola Droid