Better firware version than stable

Will u please suggest me better upadate or beta version for my m3 note.
Now i have globle stable which heating so much and battery draining so fast.
So is there better beta version for m3 note

Ist ok to flash it in L681h? note flyme 6.7
Is the latest beta available on the official forum :D
I doubt that the version presented here is for the international version, i had trouble too.

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