Modern Android phones hide a menu called Developer Options. Most people never touch it. But if you've ever wanted to understand what your phone is doing under the hood, this is where you look. Go ...

Left: Demo Mode in Developer Options. Right: the Demo Mode subscreen. Demo Mode is a bit of a weird one, as it has two toggles which do, at least as far as we can see, the same thing.

Developer options in an Android will let you manipulate your phone's core features in almost any way you want but be careful if you go there.

If you want to take more control over your Android device, we suggest looking at the built-in Developer Options. Here's how to do it.