

Your mobile package installer will accept the files without any errors. The best solution, in this case, is to download the APK onto your internal storage and try installing the App. The installer may not completely parse the package from mounted storage. If the APK is downloaded or if you are trying to install it from an external mount, then in many cases, it would not be possible due to contamination of the file.

The play protects not only works or apps installed from the play store but also for 3rd party apps. It scans the installed apps or apps to be installed for any virus and, if it finds any harmful code or nature, blocks the installation. Google Play Protect is Google’s built-in malware protection for Android. You need to use a split APK installer to install app bundles if you have downloaded multiple APK files.

While the above links can be helpful if the APK files are compressed as a single AAB. How to Install Android App Bundles on Android?.You can use any of the following methods to install the App Bundles on Android. The Android Apps Bundle (AAB) Files can come in a compressed format like XAPK, APKS, APKM, or AAB. While app bundles help save storage space and data usage, they are not one-size-fits APK files. The app bundles only include the components that your specific device needs, organized into split APKs. While the regular apps contain all necessary resources like screen size, manifest, XML, Config, and architecture in a single APK. Google introduced a new way to distribute Android apps called app bundles. If it is a bundle, then you need to install it using a Split Installer. Make sure the File is Not Split into APK App Bundle. If the APK file is Split into App bundles, ‘ App Not Installed‘, is the error you will face if you try installing APK. Uninstall the similar pre-installed app and install the modified App from APK Editor.
