Ambient light sensor in mobile phones automatically adjust the brightness of the screen back-light both to improve battery life and makes it easier to see the screen. It is different from the proximity sensor in mobile phones which makes Apple iPhones to automatically lock the keypad and turn off the LCD backlight when you place your iPhone to your face to make a call. IR-based proximity sensors simply detect the presence of a human ear.
Not all smartphones have ambient light sensor built into them. If yours doesn’t come with the feature, there is a way out – download Lux Auto Brightness mobile app for Android. It is the original custom auto brightness solution for Android.
Lux is a third-party app that allows you to easily calibrate your phone’s brightness sensor, saving you battery power and reducing eye strain if your phone is normally too bright in dark rooms. It intelligently adjusts the brightness of your display based on the environment you’re in.
The app is a premium application and costs approx N600 in Nigerian currency ($3) although there is a free version called : Lux Lite.
You can read how to improve your Android Phone’s automatic brightness with Lux here.
How Can I Download Lux apk?
If you need the lux lite apk file for Android, you can google it or get it by following the steps in this apk generation tutorial.