#*#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 loopback 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 menuThese codes are specific to 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
*#*#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