Get Good Lock and Good Guardians

Under for everyone section on Samsungs website

https://www.samsungknox.com/en/secured-by-knox

If you get passed FRP, you’ll have to get passed the Samsung lock next.

Thats FRP, Samsung Knox Guard is significantly harder to bypass.

Nope, if they reset it all of your data will be cleared and it’ll be a paperweight because it’s FRP locked and Samsung locked. FRP can be bypassed if the phone isn’t running the most up-to-date play services but I doubt it. It’s near impossible to bypass the Samsung lock as it’s tied with Knox. Your data is safe.

Don’t touch anything with the 8G1

Your issue is Exynos, I’ve used thermal guardian on all of my devices since its release, and not a single issue, however; I could see Memory Guardian causing issues, try disabling that.