Microphone App For Iphone 4. It sounds likely that you are using incorrect cables. My guess is that when you first launched the guitar tuner app it did just that but you interpreted it.
Open the settings app again. Open your control center and at the top you’ll see the icon for the camera or microphone and which app was using it most recently. The iphone’s native camera app will allow you to use an external microphone, but it won’t tell you whether it is using the external microphone signal or reverting to your internal microphone.
Workarounds for ios 14 microphone problem.
Open the settings app again. How to check which apps have microphone access & turn off microphone access. Therefore, simply tap on the speaker icon and check whether your voice is audible during a call. Speak into your phone to listen to a live broadcast:
