The unassuming proximity sensor, a tiny component nestled within your smartphone, plays a crucial role in ensuring a seamless calling experience. It detects the proximity of your face during calls, ...

Your phone would lose a long list of features and basic functions if it didn't have proximity sensors.

Hold a phone to your ear during a call and the display should go dark almost right away. If it doesn't, a cheek pressed against the glass can mute the microphone, hang up the call, or open a menu ...