Lg x power three no sound why?

[Android Central Question]

My lg xpower 3 stopped giving sound on YouTube, Spotify, Netflix, ringtone and some phone calls how do I fix this ?

 

[B. Diddy]

Welcome to Android Central! First things first -- you're certain that all volume sliders are turned up, right? Can you hear media audio through wired or Bluetooth headphones? Does the same thing happen in Safe Mode? https://www.hardreset.info/devices/lg/lg-x-power-3/safe-mode/