No sound during some phone calls

Help Fairphone 3
21

I have this problem too… Did you receive an answer from Fairphone support? What did they say?

22

An update from our CEO: Reported software issues and our next steps - Fairphone

23

Looks like the same problem as this topic : No sound 50+% of the time in calls, until reboot

24

same problem here. I use my fariphone to place and receive calls. I know that is a bit odd but it is still a function that I call essential