Would suggest to try performing the update to 20161011 using the Local Update method, have a look here how to do it:
viewtopic.php?f=144&t=101183&p=307071#p307071

same happens to me, but not only wifi switches off, also Cellular data after 30 sec, and bluetooth switches on continuously by its own.... was working fine for 2 weeks..... after last system update same problem. somebody same problems??????? Check/follow what frofa posted: http://bbs.blackview.hk/v...

OTA does work again.

In any case should you have any problem, here's the firmware for Local Update:
viewtopic.php?f=144&t=128563

@blackview_admin: please comment on this

I must agree with mathieus on this...

As mentioned, please follow the instructions indicated by blackview_admin and come back if you have any trouble following them

I updated to 20170414 yesterday using the wireless method, and I am having the EXACT same problem as everyone else. What worked perfectly before, is now embarrassingly sub-par. screen sensitivity seems a little worse, but the back and home buttons just do not work (also probably the menu button, bu...

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