There is a known issue with the PUBG Mobile app where audio will not be sent when the microphone functionality is enabled within the app. This is a problem within the PUBG Mobile app. The only workaround is to disable the microphone functionality.
When mirroring PUBG Mobile, it only mirrors the game but not the audio
This support article was last updated on Wed, 18 Sep, 2019 at 5:20 PM.