Record a video while speaking at the top of your iphone. If you don't hear your voice clearly, contact apple support. Ios 14 Iphone 78 Plus Microphone Not Working And Speaker Grayed Out Now hold your iphone horizontal to your mouth and speak in the bottom (near the microphone hole). Iphone 7 plus microphone not working at all . Usually, all you need is the correct adapter. Then, when removing the home button from the original broken screen, be careful in removing the screws, try not to put too much pressure on the plate covering the button, and avoid the screwdriver and the plate touching or puncturing the button during removal. I shut my phone off and turned it back on and the sound started playing. There are many people who have complained that their iphone 7 mic is not working after upgrade to ios 14, as the mic is not working they are unable to make phone calls using the phone as other person is not able to hear them, taking to siri, trying to record a voice messag...