Unable to install android app via usb debugging

Question

I know this is an old question but I am trying to install my app the very first time on Redmi note 4. Whenever i try to install it displays a dialog saying..

Installatio

Answer 1

I'm Using Redmi Note 4 mobile (Xiaomi Phone). I got the same problem.

Problem Resolved:

Go to setting >> Additional settings >> Developer options >>Turning off MIUI Optimizations 

and also turn on USB debugging and install via USB. And then restart your phone. After that, I am sure that your problem will be solved.