Can’t hear callers on iPhone 11 Pro Max

Hi Armandob1948,

Thank you for using the Apple Support Communities. We understand that you can't hear callers on your iPhone and we are happy to help! If you followed all the steps in the Apple Support article If you hear no sound or distorted sound from your iPhone, iPad, or iPod touch speaker and you still have the same problem, then let’s try the troubleshooting steps below and check to see if the problem is still there after each one:

1. Restart your iPhone
2. Back up iPhone: How to back up your iPhone, iPad, and iPod touch and Update your iPhone, iPad, or iPod touch 
3. Turn off VoLTE: About the LTE options on your iPhone

Reply back if you continue to experience problems with the iPhone. Also, let us know if the issue is happening with FaceTime audio calls and Voice Memos, see the Apple Support articles Use FaceTime with your iPhone, iPad, or iPod touch and Use the Voice Memos app.

Have a good day.