Hidden Samsung battery boost button revealed that helps your phone last longer – it works on other Android devices too

PRESERVING battery is one of the key things people care most about when it comes to their smartphone.

So it’s no wonder users are constantly looking for secret settings that boost their power.

Most already know the basics now like low power mode and reducing the back light.

But there’s a little-known setting that may also come in handy – depending on what sort of smartphone...