Iphone 7 mic and speaker not working

- Iphone 7 mic and speaker not working during calls
- Iphone 7 plus mic and speaker not working
- Iphone 7 mic and ear speaker not working
- Iphone 7 call speaker and mic not working
- Iphone 7 plus mic and ear speaker not working
- Iphone 7 mic not working speaker grayed out
- Iphone 7 mic problem
- Iphone 7 plus mic problem
- Iphone 7 speaker not working