Latest Facebook 77 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; en-us; ZTE-Z777 Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Z777
Mozilla/5.0 (Linux; U; Android 4.3; en-us; SCH-R530X Build/JSS15J) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Galaxy S III LTE
Mozilla/5.0 (Linux; U; Android 4.3; en-us; MT2L03 Build/HuaweiMT2L03LITE) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Ascend Mate 2
Mozilla/5.0 (Linux; U; Android 4.3; en-us; HUAWEI H871G Build/HuaweiH871G) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 H871G
Mozilla/5.0 (Linux; U; Android 4.3; en-us; HTC D516 Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 D516
Mozilla/5.0 (Linux; U; Android 4.2.2; es-es; Micromax A47 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 A47
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; SM-G3858 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Galaxy Beam 2
Mozilla/5.0 (Linux; U; Android 4.2.2; en-gb; SM-G3815 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Galaxy EXPRESS II
Mozilla/5.0 (Linux; U; Android 4.1.2; es-mx; LG-E450f Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Optimus L5 II
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z740G Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Z740G
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z740 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Z740
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; LG-F160K Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Optimus LTE 2
Mozilla/5.0 (Linux; U; Android 4.1.2; en-nz; LG-D684 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 G Pro Lite
Mozilla/5.0 (Linux; U; Android 4.1.2; en-ca; LG-E450B Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Optimus L5 II
Mozilla/5.0 (Linux; U; Android 4.1.2; en-au; LG-E975K Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Optimus G
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 (Linux; U; Android 4.0.4; en-us; LG-AS730 Build/IMM76L) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 AS730
Mozilla/5.0 (Linux; U; Android 4.0.3; es-mx; LG-E612f Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 4 Optimus L5
Mozilla/5.0 (Linux; Android 7.0; SM-J327T1 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 7 Galaxy J3 Prime
Mozilla/5.0 (Linux; Android 6.0; Alumini3 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/77.0.0.20.66;] Android 6 Alumini 3