This post was edited by copy69 at 22:16, Sep-19-2016
quote From miui forum post I didi:
There's a bug with this and the newer 6.9.19 weekly build. Laucnher and system tweaks dosnt apply.Some tweaks that apply are not persistents after restart. Yes I bought it.
Returning to previous version of miui just because of this. thanks and hope you fix it
Thanks m8