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.

Currently, developers who create “sideloaded” Android apps are exempt from Google’s verification requirements.

Need helping installing an APK file on your Android phone? We'll show you how to properly install third-party apps and stores without Google Play.

In contrast, system apps are apps pre-installed in the phone’s system partition with your ROM and typically, Android device users don’t have the access to the system partition.