(Adjust the screen brightness to a suitable value through Settings-#38;gt;Motion and Display Settings-#38;gt;Brightness, the original Android phone screen brightness can be very clear even if it is adjusted to the lowest level, but it can effectively save power and be used for Phones that support optical sensors can also check "Automatic brightness" to automatically schedule screen brightness based on outside light. Users can also download the Widg to adjust the screen brightness in the Market electronic market)