- Try rebooting your device and turn it On back before installing again
- Check the app installation version (installing a lower version while having a higher version installed already results to the error). You have to uninstall and install your choice.
- Most applications are threat to your Android system, so you have to stay on installation screen to accept installation process when prompted as a threat.
- Installing 8.0 applications to a lower version of 4.0+ and 5.0 might slightly give same issues.
- Free up some internal storage to create room for installation.
- Resting app settings(for external update)
- Factory reset






