Another sensor that tends to be hidden away in plain sight is the ambient light sensor. Once again, you've seen it in action as it's used to adjust the brightness levels of your screen. But with the ...

Ever wondered why your phone's display turns off when you're on a call or bring it close to your face? That's the proximity sensor detecting if you are using the earpiece to talk, thus turning off the ...

When you're boarding a plane or going somewhere where your phone's wireless signals need to be completely disabled, there's a single toggle to make this faster and easier — airplane mode. It turns off ...