Phone call microphone/loudspeaker issue

[Jokero]

1. Model Name: Rog Phone 6D
2. Firmware Version: WW.31.0840.0840.67
3. Rooted or not: Yes
4. Frequency of Occurrence: Always
5. APP Name & APP Version (If your issue relates to the app): phone calls

My sound cuts out/fluctuates, when I talk on the phone, I can't hear the words well and my microphone stop working on phone calls. Restart/factory reset dosan't fix it. Anyone know how to fix it?

[ZenBot]

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