Secret codes for All Android phones

Check Your Phones Hidden Details And Test Your Phone By Entering These Codes on Dialer:

Phone information: *#*#4636#*#*

LCD Test: *#0*#

Change end call option: *#*#7594#*#*

Service mode: *#*#197328640#*#*

Backup media files: *#*#273283*255*663282*#*#*

WLAN test: *#*#526#*#*

Wifi MAC Address: *#*#232338#*#*

GPS Test: *#*#1472365#*#*

Another GPS test: *#*#1575#*#*

Bluetooth test: *#*#232331#*#*

Bluetooth device address: *#*#232337#*#

GTalk service monitor: *#*#8255#*#*

Packet loopback: *#*#0283#*#*

Another LCD test: *#*#0*#*#*

Melody test: *#*#0673#*#*

Device test: *#*#0842#*#*

Touch version: *#*#2663#*#*

Touch screen test: *#*#2664#*#*

Proximity senser test: *#*#0588#*#*

RAM version: *#*#3264#*#*

Hard reset: *2767*3855#

Soft reset: *#*#7780#*#*

PDA, Phone,
H/W, RF call date: *#*#4986*2650468#*#*

PDA, Phone & CSC: *#*#1234#*#*

FTA S/W version: *#*#1111#*#*

FTA H/W version: *#*#2222#*#*

PDA, Phone, CSC, buiid time, changelist number: *#*#44336#*#*