My wife has a Moto G 3rd Gen phone. The speaker recently stopped working. It would still vibrate when a call came in, but there was no sound with the ringer, text notifications, videos, etc. We made sure the sound wasn’t muted and the volume was up, and also turned the phone off and back on. After 3 days, the speaker made a crackling sound and started working again. It’s been about 4 days since the speaker started working again and she hasn’t had any more issues so far. Has anyone else experienced a similar problem? Any ideas on what might have caused this to happen? Thanks.