http://www.techradar.com/news/google-says-fix-for-pixel-2-buzzing-sound-is-coming >There's a lot of buzz surrounding the new Google Pixel 2, but it isn't the kind that Google is happy about. >Specifically, some Pixel 2 and Pixel 2 XL owners have reported that they hear a constant "buzzing" or "hissing" sound when they're making calls, even after they've received replacement phones in an attempt to address the issue.