Latest Facebook 2 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo 1906 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 Y11
Mozilla/5.0 (Linux; Android 9; SM-A205YN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 Galaxy A20
Mozilla/5.0 (Linux; Android 9; RMX1941 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/110.0.5481.154 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 C2
Mozilla/5.0 (Linux; Android 9; RMX1941 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/102.0.5005.125 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 C2
Mozilla/5.0 (Linux; Android 9; Omega X Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.181 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 Omega X
Mozilla/5.0 (Linux; Android 9; Nokia C1 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/110.0.5481.65 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 C1
Mozilla/5.0 (Linux; Android 9; Mi A1 Build/PKQ1.180917.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.125 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 Mi A1
Mozilla/5.0 (Linux; Android 9; itel W6501 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.120 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 P36
Mozilla/5.0 (Linux; Android 9; itel W6002E Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 S15
Mozilla/5.0 (Linux; Android 9; Infinix X653C Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/101.0.4951.41 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 Smart 4
Mozilla/5.0 (Linux; Android 9; ASUS_X00TD Build/PKQ1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.159 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 9 ZenFone Max Pro M1
Mozilla/5.0 (Linux; Android 8.1.0; vivo Y81S Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/102.0.5005.78 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 Y81s
Mozilla/5.0 (Linux; Android 8.1.0; SM-G610F Build/M1AJQ; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/100.0.4896.79 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 Galaxy J7 Prime
Mozilla/5.0 (Linux; Android 8.1.0; Flare_S7 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 Flare S7
Mozilla/5.0 (Linux; Android 8.1.0; Flare J6 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 Flare J6
Mozilla/5.0 (Linux; Android 8.1.0; CPH1909 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/110.0.5481.65 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 A5S
Mozilla/5.0 (Linux; Android 8.1.0; CPH1853 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.77 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 A3s
Mozilla/5.0 (Linux; Android 8.1.0; CPH1853 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.66 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 A3s
Mozilla/5.0 (Linux; Android 8.1.0; CPH1853 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.101 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 A3s
Mozilla/5.0 (Linux; Android 8.1.0; CPH1853 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FBAN/DiscoverApp;FBAV/2.0.0.0.1266;] Android 8 A3s