Android: app not installed as package appears to be invalid
When you download an APK file, your device will display an error message saying – the app is not installed as the package is invalid. The issue occurs if you have downloaded the APK from a different source than Google Play Store. But the problem is also prevalent among Android app developers. A developer can create a .apk file and export it for testing. But unfortunately, the test proves futile as they get the app not installed error. So, how ...