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

This issue occurs sometime I have also faced the same issue.

Try the following steps

Go to Settings > Additional settings > Developer Options

Off your Developer Option and re-On it

On - USB debugging

and press Revoke USB debugging authorization

I hope it will work.