When I try to install signed apk then it give me error "Application not installed"
<p>I was running app on my devices from Android studio direct it was working fine. Then I have uninstalled that unsigned APK from Application manager. But now when I am trying to install signed APK from SD card then it give me error "Application not installed". My device android version is 6.0.1. Not sure what's the problem. Tried every thing but same problem. Please help me out and thanks in advance.</p>