Android sceret codes

You all know Android is one of the best & popular operating System in Mobiles.
Most of the mobile users areusing android phone .Now a days many users like to learn about android developing and making tricks.
   So today I am going to showing you some Best Hidden Android Secret Codes and I had also tried it.
Today I am Sharing Some Best Hidden Android Secret Codes that helps you in to know about your phones information and some problems.Best Hidden Android Secret Codes as Below
ENJOY
Best Hidden Android Secret
Codes
*#*#778O#*#* = Factory Data Reset
*#*#I472365#*#* = Quick GPS Test
*#*#0673#*#* OR*#*#0289#*#* = Audio Test
*#*#2664#*#* = Touch Screen Test
#’#273283*255*663282*#*#* =Backup Media Files
*#*#0283#*#* = Packet Loopback Test
*2767*3855# = Reinstalls The Phones Firmware & Format Your Phone
*#*#232339#*#* OR*#*#526#*#* = wireless Lan Test
*#*# 1575#*#* = Different GPSTest
*#*#4636#*#*‘ = Complete Information About your Phone
*#*#2663#*#* = Touch Screen Version*
#*#232337#*# = Displays bluetooth Device Address
*#*#4986*2650468#*#* = PDA,Phone. Hardware, RF Call Date