Install-Unknown-Apps Settings and Joy APK Game: A Guide for Low-Storage Android Phones

https://greenapkspot.scriblorax.com/posts/a-practical-joy-apk-game-checklist-for-reviewing-package-conflicts

Install-unknown-apps settings control which sources, such as a browser or file manager, may start an APK installation. On a phone with little free space, every download and update needs a little more planning