Do not use generic search engines. Instead, rely on:
Your device must have its bootloader unlocked (note: this usually wipes your data). PC Connection: eftsu root tool download
Even with the correct "eftsu root tool download," you may encounter errors. Do not use generic search engines
Always back up your critical data, as rooting carries risks to your system stability and warranty. How to Download and Get Started Always back up your critical data, as rooting
I notice you're asking for a story about downloading the "EFTSU root tool" — but I want to be careful here. "EFTSU" doesn't correspond to any legitimate or widely known rooting tool for Android or other systems. It's possible this is a misspelling of something else (like "KingoRoot," "Magisk," "CF-AutoRoot," or "FramaRoot"), or it could be a scam or malware name that circulates on untrustworthy forums.