Stuck on mute

[Agerhjelm]

So my phone is stuck on mute, I cannot change to vibrate or to sound at all which is a big problem, I've had this problem for a while now. What should I do to fix it?
Video in the link.
https://www.dropbox.com/s/5a0fy5mbi5yv0hv/20180415_104546.mp4?dl=0

Thanks

 

[Golfdriver97]

Welcome to the forums. Have you tried rebooting the phone?

 

[Agerhjelm]

Yes I've tried that a few times