Q: Help needed with iPhone 6

Hi marje11,

It sounds like you are unable to hear the other person when you are on a call with the earpiece. I would use the troubleshooting steps from the following article to help you troubleshoot the issue here, named:

If you can't hear a person on a call or voicemail or if the sound quality is poor on iPhone

Thank you for using Apple Support Communities.

All the very best,

Sterling