How to unroot Android using Universal unroot app

You can check the Root Checker app to confirm if you’ve successfully unrooted your Android smart phone.

But this is a paid-for app, which costs $1 on Google Play Store. Download and install Universal unroot app and click the “unroot” button and then “Yes“.

 ###### How to download paid apps from Google Play for free-------------  Blackmart alpha (it's a free of cost )