Flashlight Won't Turn Off

[LGMOfield]

My LG v30 just started doing this. , I turn the flashlight on and then the screen goes black and you can't get the screen back on pr the flashlight to go off unless I hold the power and volume button down to make it restart.Anyone else have this problem

 

[cardboard60]

don't have a LG v30.

But if it has google.
Can you say O.K. Google turn my flashlight off ?

 

[B. Diddy]

That's strange. Does this also happen in Safe Mode? https://support.t-mobile.com/docs/DOC-36664