Galaxy Smartphones: Enable Auto Brightness
Most Samsung Phones and tablets have a sensor that will try to determine the available light level around the device and adapt the brightness of the screen accordingly. Auto Brightness is enabled by default, but there are a couple of ways to adjust and enable Auto Brightness:
• Auto Brightness is available in limited mobiles. Kindly check Mobile specification or Manual for details. Also can Chat with Us for further assistance.
• Screenshots were taken from for Android OS Version 7.0 (Nougat).