Use APKPure App
Get Allow Non Market Apps old version APK for Android
Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Anytime, anywhere, across your devices.
Allows you to toggle between allowing and disallowing non-market apps on some phones which lack this option. It requires root.
This application is intended primarily for use by the robustnet research group. We make no guarantees whatsoever that this will work for anyone else or for any specific devices. Use at your own risk.