App Not Installed Android. I think android used to show a message like conflicting file signatures, but now (pie, 9.0) you just get app not installed, with no option to find the reason. Firstly open setting of your android device.;
Even though some apps can be downloaded and installed to sd card, you will see android app not installed notification because the sd card is not mounted on the device. Check for the package installer app under system apps you will find two option of clear data and clear cache.(android marshmallow 6.0 users check for option storage to clear data and cache) To check what permissions an android app has, go to “settings > apps” and tap on the specific app.
Try the following steps if an app installed on your phone has any of these problems:
If the app that isn’t working is an instant app, try these troubleshooting steps instead. This is because the app is not completely installed as it is a split apk or a bundle apk. If you want to avoid the app not installed error, google play should be your first choice to download the apps. This means the app comes in multiple apk and you need to install all of them to make the app function properly.
