Android Studio - Unable to run app on device minSdk(API 23, N) != device Sdk(API 22)

Question

so i reinstalled linux on my computer and after i reinstalled android studio i tried getting an app that i wrote on to my phone which previously had not been a problem. The App

Answer 1

See the explain of CommonsWare. The key point is a preview version, so older level device was prevented to install app anyway when using N compileSdkVersion.