As you may be aware, ‘closing’ an app on a modern smartphone doesn’t actually close it – it just minimizes it to the system tray. That’s fine in most cases as it means that you can start using your app again quicker when you re-open it, but it can also be a problem – for example when your app crashes and you need to close it properly.
Thankfully, you can do this relatively easily on your S10 series phone. By default, the button you need to press is the left of the three on-screen controls. There are a few exceptions to this – if you use a theme that swaps out the order of controls, you may just find it to be your right button.
Tip: If you’re not sure which is the right button, just test it. The buttons at the bottom are App list, Home and Back in standard order. When you’ve confirmed which is the app button, continue.
When you’ve pressed the button, you’ll see a list of the apps you have open, sorted by the most recent. You’ll find every app you haven’t closed since the last time you’ve switched on your phone here.
In order to close one, simply swipe up the app you want to close. Swipe it off the screen and it will be fully closed.
Tip: Where relevant, do your best to save any info before you close the app or it may get lost.
To re-open the app you closed, press the (middle) home button and then open the app via the app shortcut the way you normally would.
Tip: Don’t be surprised if the app behaves a little differently than before – it may take longer to start up than it does to pick up where you left off. In many cases, apps that require login authentication will require that again before you’ll be able to use them as normal.