Latest Facebook 161 user agents:

User Agent	Platform	Device
Mozilla/5.0 (iPhone; CPU iPhone OS 11_2_5 like Mac OS X) AppleWebKit/604.5.6 (KHTML, like Gecko) Mobile/15D60 [FBAN/FBIOS;FBAV/161.0.0.47.95;FBBV/94302063;FBDV/iPhone6,1;FBMD/iPhone;FBSN/iOS;FBSV/11.2.5;FBSS/2;FBCR/TIM;FBID/phone;FBLC/pt_BR;FBOP/5;FB	iOS 11	iPhone 5S
Mozilla/5.0 (iPhone; CPU iPhone OS 11_2_2 like Mac OS X) AppleWebKit/604.4.7 (KHTML, like Gecko) Mobile/15C202 [FBAN/FBIOS;FBAV/161.0.0.47.95;FBBV/94302063;FBDV/iPhone6,2;FBMD/iPhone;FBSN/iOS;FBSV/11.2.2;FBSS/2;FBCR/TIM;FBID/phone;FBLC/pt_BR;FBOP/5;F	iOS 11	iPhone 5S