Latest Facebook 449 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo X21A Build/PKQ1.180819.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] FBNV/1 Android 9 X21A
Mozilla/5.0 (Linux; Android 9; vivo X21A Build/PKQ1.180819.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 X21A
Mozilla/5.0 (Linux; Android 9; VIA_E3 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 VIA E3
Mozilla/5.0 (Linux; Android 9; V1945A Build/PKQ1.190626.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] FBNV/1 Android 9 Y9s
Mozilla/5.0 (Linux; Android 9; TBBVNC100005208 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 TBBVNC100005208
Mozilla/5.0 (Linux; Android 9; T9S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 T9 S
Mozilla/5.0 (Linux; Android 9; T30_EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 T30
Mozilla/5.0 (Linux; Android 9; Symphony_Z12 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/114.0.5735.58 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 Z12
Mozilla/5.0 (Linux; Android 9; SUGAR_Y18 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 Y18
Mozilla/5.0 (Linux; Android 9; SUGAR_Y18 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 Y18
Mozilla/5.0 (Linux; Android 9; SUGAR T10 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.110 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 T10
Mozilla/5.0 (Linux; Android 9; SUGAR T10 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 T10
Mozilla/5.0 (Linux; Android 9; SM-T380 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.102 Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 Galaxy Tab A 8.0" WiFi
Mozilla/5.0 (Linux; Android 9; SHT-W09 Build/HUAWEISHT-W09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 MediaPad M5 8.4
Mozilla/5.0 (Linux; Android 9; S52 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 S52
Mozilla/5.0 (Linux; Android 9; S3mini Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 S3 Mini
Mozilla/5.0 (Linux; Android 9; RG655 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 RG655
Mozilla/5.0 (Linux; Android 9; Power_6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 Power 6
Mozilla/5.0 (Linux; Android 9; Pearl K1 Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.135 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 Pearl K1
Mozilla/5.0 (Linux; Android 9; Orange Neva zen Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.143 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/449.0.0.44.115;] Android 9 Neva Zen