Has vibrate stopped functioning after update?

No vibrations now...is there an engineering mode we can test the vibrator?

Try *#87#

Tested: Fail. Vibrate no longer functioning.

How about restart or factory reset?

hello,

The "vibration" function does not work on my bv9700pro either. And besides, the code * # 87 # is not supported.

@ carabao:
Did you also install the update? Because if the update causes the vibration not to function anymore that's one more reason for me to not install it. Because for me vibration works fine (for now).

No, original version of my BV. See my signature
EDIT:
I am no longer certain that the vibration does not work but it seems to operate randomly. I'm testing

The vibration of the BV9700 Pro is very weak and silent (compared to the BV8000 Pro which I had before), I also often simply do not recognize it. But it works for me.