Sharp sound on my MX4

1490

1

2017-12-14 05:03

  From Forum App
Hi everyone, I do not know what happened, but from time to time the sound of my MX4 got louder, the voices thin, and the problem is not in the loudspeaker, because the same is happening with the headphones.I did not move in any configuration, so what could be the problem?Please help me.Thank you.