How can I Root my Meizu Mx 5 Note to Flyme 6

Hi Guys

I am new in this forum .
I want to update my Meizu Mx5 Note to Flyme 6.
Is there anybody that can help me do this ??
My current software is on Flyme
I have tried to root it with KingRoot but it won’t Root.
And another question anybody tried to put pure android on the divice ??
I can’t find anything on the web.
Plese help Thanks :-)

Looks like your connection to Meizufans was lost, please wait while we try to reconnect.