Android Secret codes

Here are some hidden android secret
codes. Do not attempt to put these in
unless you know what you are doing. Some
of these codes will make substantial
changes to  phone’s configuration
*#06# – IMEI number
*#0*# – Enter the service menu on newer
phones like Galaxy S III
*#*#4636#*#* -Complete Information
about your Phone and Battery
Code :
*#*#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#*#* – Backlight/vibration test
*#*#2664#*#* – Test the touchscreen
*#*#1111#*#* – FTA software version
(1234 in the same code will give 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
to factory state
*2767*3855# – Format device to factory
state (will delete everything on phone)
##7764726 – Hidden service menu for
Motorola Droid