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?

http://forum.flymeos.com/forum.php?mod=viewthread&tid=30025&highlight=m3 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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