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Introduction Android 5.1.1 (Lollipop), released between 2014 and 2015, is now considered a legacy operating system. The latest versions of the official YouTube app require Android 8.0 (Oreo) or higher. If you try to install the current YouTube APK on an Android 5.1.1 device, you will receive an error: "There was a problem parsing the package" or "App not installed."
Introduction Android 5.1.1 (Lollipop), released between 2014 and 2015, is now considered a legacy operating system. The latest versions of the official YouTube app require Android 8.0 (Oreo) or higher. If you try to install the current YouTube APK on an Android 5.1.1 device, you will receive an error: "There was a problem parsing the package" or "App not installed."