Installing an APK that you found on the internet is also sideloading. How to sideload apps on your Android phone Now that you know what sideloading is, let’s talk about how to do it.

On the phone I tried this on (a Samsung using Android 2.1 ) the first item on the menu says 'Unknown Sources: Allow Install of non-Market application' check the box next to it.

But don't fret, Android users, you can still install and play Fortnite on your phone or tablet; it just takes a little more work. Before we begin, a word of caution: Sideloading apps on your phone ...

In general, you should install apps outside of your phone's app store only if you have a very good reason to.

Next, access the Notifications on your phone and tap on the file titled “install_flash_player.apk”. Once you see the download alert, tap Install to begin installing Flash on your Android device.