Latest Facebook Messenger Unknown user agents:
| User Agent | Platform | Device |
|---|---|---|
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6 like [FBAN/MessengerForiOS;FBDV/iPad4,1]; MacBookPro7,1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Safari/605.1.15 | iOS | MacBook Pro 13" (2010) |