Whether you're having issues with the built-in microphone or one connected externally, there can be several reasons for it.

Samsung TV owners belting out their favorite tunes using the Stingray Karaoke app can now reach for their smartphones to level up their performance. The Samsung SmartThings app can turn smartphones — ...

Not only does the microphone need to be powered on (if it's an external mic), but it's possible the app you're using doesn't have permission to access it. Here's how to check: Open Settings and go ...