MiMax 3, Stock MIUI 11.0.4 Poweramp Build 882 Issue: Sound output on internal speaker and bluetooth at the same time. Not sure if it's Poweramp or phone causing this. Frequency: Rare, can't be replicated on demand. Fix: Reboot phone. Attempted fixes: - Hardkill Poweramp  - Reset Poweramp sound settings  - Switching from high to normal resolution  - Reboot of BT headset, disable/enable BT... Other things to attempt:  - Check some other app (I