Latest Facebook 451 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 11; JLN-LX1 Build/HUAWEIJLN-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/114.0.5735.196 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 11 Nova 9 SE
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22F76 [FBAN/FBIOS;FBAV/451.0.4.35.109;FBBV/566175818;FBDV/iPhone14,8;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/569806594] iOS 18 iPhone 14 Plus
Mozilla/5.0 (Linux; Android 12; SM-G991B Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] FBNV/1 Android 12 Galaxy S21 5G
Mozilla/5.0 (Linux; Android 9; YK_P30 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 YK P30
Mozilla/5.0 (Linux; Android 9; YK_P30 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] FBNV/1 Android 9 YK P30
Mozilla/5.0 (Linux; Android 9; YK_P30 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 YK P30
Mozilla/5.0 (Linux; Android 9; W109 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 W109
Mozilla/5.0 (Linux; Android 9; W-U300 Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/117.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 Ride
Mozilla/5.0 (Linux; Android 9; VIA_G4 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] FBNV/1 Android 9 VIA G4
Mozilla/5.0 (Linux; Android 9; V1941A Build/PKQ1.190302.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.159 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 U3
Mozilla/5.0 (Linux; Android 9; U70B Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] FBNV/1 Android 9 U70B
Mozilla/5.0 (Linux; Android 9; U70B Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 U70B
Mozilla/5.0 (Linux; Android 9; U3H Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] FBNV/1 Android 9 U3H
Mozilla/5.0 (Linux; Android 9; U3H Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 U3H
Mozilla/5.0 (Linux; Android 9; Trekstor Surftab theatre S11 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 SurfTab Theatre S11
Mozilla/5.0 (Linux; Android 9; THANOS_10 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] FBNV/1 Android 9 Thanos 10
Mozilla/5.0 (Linux; Android 9; THANOS_10 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 Thanos 10
Mozilla/5.0 (Linux; Android 9; T30_EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 T30
Mozilla/5.0 (Linux; Android 9; SUGAR T50 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 T50
Mozilla/5.0 (Linux; Android 9; SUGAR T10 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.175 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/451.0.0.45.109;] Android 9 T10