Ipad Air 4 Microphone Not Working (How To Troubleshoot)
If your iPad Air 4 microphone is not working, try the following Make sure the microphone is enabled.
Check if there is anything blocking the microphone.
Restart your iPad Air 4.
Reset your iPad Air 4.
Update your iPad Air 4 software.
Restore your iPad Air 4 to factory settings.
If all of the above steps fail, take your iPad Air 4 to an Apple Store or authorized service provider.