To fix a microphone or speaker issue, please check the following steps:

1. Check the device’s power. Make sure that the device is plugged in and has power.
2. Check the audio setting. Verify the setting on the device is set to 2003.
3. Check the Volume. Make sure the volume is not muted and that the volume is up.
4. Check the audio jack. Make sure the audio jack is securely connected if using the device with another device like a laptop or tablet.