Latest Facebook 184 user agents:

User Agent	Platform	Device
Mozilla/5.0 (iPhone; CPU iPhone OS 12_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16B92 [FBAN/FBIOS;FBAV/184.0.0.40.79;FBBV/119872175;FBDV/iPhone11,6;FBMD/iPhone;FBSN/iOS;FBSV/12.1;FBSS/3;FBCR/Telstra;FBID/phone;FBLC/en_GB;FBOP/5	iOS 12	iPhone XS Max