Please tell us some basic information before asking for help: Model Name: rog phone 3 Firmware Version: 17.0823.2008.78 Rooted or not: not Frequency of Occurrence: always APP Name & APP Version (If your issue relates to the app): boardmic test In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc. ======================================== I test all of my mic, and always fail on mic 1 . Why is it? Is there any fix?? Where is this mic 1?