Android Studio: Application Installation Failed

Question

I\'ve been trying to learn how to use Android Studio but when I attempted to run one of the sample programs I get this error message:

Installation fai

Answer 1

I'm Using Redmi 3s mobile. I got same problem.

Solution: This issue is common on Xiaomi phones running MIUI 8. This can resolved by turning off MIUI optimizations from Developer Options in Settings app. Then recompile the app and voila it works.

Settings --> Additional settings --> Developer options --> Turn Off MIUI optimization

Or

Settings --> Developer options --> Turn Off MIUI optimization