If you've just rooted your phone and you want to know if you've carried out the process correctly, try using Root Checker. It's a simple application that does exactly what its name says and nothing else: it checks if our Android smartphone or tablet is rooted or not.
Reliable methodos to verify the root installation.
Can I root my Android with Root Checker?
No, absolutely not. As we've mentioned, this app only tells us if we're the root user or not, but nothing else apart from allowing us to share that information with our contacts on social networks. Our friends are surely eager to know if we've got a rooted phone.
To use this tool, install the APK and just press the Verify Root button to check the root status. In just a few seconds you'll know the answer.