Latest Facebook 77 user agents:

User Agent	Platform	Device
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; SCH-S738C Build/IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;]FB4A_Messaging_MSite	Android 4	Galaxy Centura
Mozilla/5.0 (iPhone; CPU iPhone OS 10_2_1 like Mac OS X) AppleWebKit/602.4.6 (KHTML, like Gecko) Mobile/14D27 [FBAN/FBIOS;FBAV/77.0.0.45.70;FBBV/48299134;FBRV/0;FBDV/iPhone5,1;FBMD/iPhone;FBSN/iOS;FBSV/10.2.1;FBSS/2;FBCR/TIM;FBID/phone;FBLC/pt_BR;FBO	iOS 10	iPhone 5