More than 70 Android Secret Codes You Probably Never Knew Published January 21, 2015 | By Centre Head Android Secret Codes NOTE: Some of the android secret codes may not work on your device. It all depends on the brand. The android secret codes *#*#778O#*#* = Factory Data Reset *#*#I472365#*#* = Quick GPS Test *#*#0673#*#* OR *#*#0289#*#*… Continue reading →