*#0*# in Samsung Galaxy to test LCD

This code is used to test the LCD screen of mobile devices. It can mainly perform testing of following functionalities

• Test pixels and screen by turning all pixels to Red / Green / Blue or White
• Test vibration
• Test dimming of pixels
• Test Camera
• Test sensors such as accelerometer,proximity, magnetic etc…
• Touch testing
• Sleep mode
• Speaker (By playing ringtone)
• Test keys

I have tested it in my Galaxy Y. Hope this is available in all Galaxy mobiles and almost all Android mobiles.