How to fix Google Play Store “Package file is invalid” error on Samsung Galaxy S9
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How to fix Google Play Store “Package file is invalid” error on Samsung Galaxy S9?
The Google Play Store “Package file is invalid” error on your Samsung Galaxy S9 may occur when you’re downloading or updating an app. It’s one of the most common error messages you may encounter while using an Android phone. This will prevent you from downloading and/or updating an app so you must address it the moment it shows up.
https://thedroidguy.com/2018/12/how-to-fix-google-play-store-package-file-is-invalid-error-on-samsung-galaxy-s9-1094900