Use APKPure App
Get ROOT Checker Pro for KingRoot old version APK for Android
Test your device for root (superuser) access using a very simple root privilege
SuperUser (ROOT) Checker Pro does not root your device. It does not modify any system files. The sole purpose of the app is to check whether or not a device has root access (superuser).
This application, Root (superuser) Checker Pro, will allow the user to confirm they have proper root ( super user ) access configured and operational.
Root (superuser) Checker Pro 2018