If the microphone on your Galaxy Note 8 or Galaxy S8 isn't as responsive as it once was, try blowing into the USB area to clear any dust and lint that may have built up. We know, we know: it sounds like a belated April Fools joke. But it isn't.
A member of our team found that the ‘Hey Bixby‘ command was a lot more responsive after clearing the microphone using the aforementioned technique, while one of my family members reportedly noticed an improvement in call quality.
Galaxy Note 8 is proving to be problematic for some owners
This week, it was revealed that some Galaxy Note 8 owners are experiencing a bug, which renders the handset unresponsive when either the Contacts or Messages application are opened. Samsung's thought to be working on a patch, though.