*#*#7780#*#* = Factory Data Reset
*#*#0*#*#*= LCD Display Test
*#*#0842#*#* Vibration and Backlight Test
*#*#0588#*#* = Proximity Sensor Test
*#*#7262626#*#*= Field Test
*#*#I472365#*#* = Quick GPS Test
*#*#232339#*#* OR *#*#526#*#* = WireIess Lan Test
*#*# 1575#*#* = Different GPS Test
*#*#0673#*#* OR *#*#0289#*#* = Audio Test
*#*#2664#*#* = Touch Screen Test
*#*#0283#*#* = Packet Loopback Test
*#*#23233I#‘*#* = bluetooth...