Samsung has loaded its SIII and Galaxy Note series of mobile phones with an amazing feature to test the functionality of the hardware directly thereby skipping the software.


Follow the codes below for hardware self test





TEST ONE for color, camera, sensor, vibration, speaker, S-Pen, touch and other


On the dial pad enter


*#0*#











TEST TWO for Bluetooth, Vibration, Dimming, Camera, proximity Sensor and other


*#SELF#  









TEST THREE for Battery

*#0228#


It gives details regarding battery charge condition, current value and average value of voltage & temperature and others.