How to root galaxy s9+ Is there any guide or can somebody tell me how to root my s9+. Sorry for incompetence, I'm new to this)
Rooting will trip knox and void your warranty, before rooting read the pros &amp; cons of doing so, and then decide if it is worth it.

You can follow this guide

https://www.theandroidsoul.com/samsung-galaxy-s9-root/