Latest Facebook 409 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.56 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.48 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.47 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; ZTE Blade 10 Vita Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.48 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade 10 Vita
Mozilla/5.0 (Linux; Android 9; ZTE Blade 10 Vita Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.47 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade 10 Vita
Mozilla/5.0 (Linux; Android 9; ZTE Blade 10 Vita Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/111.0.5563.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade 10 Vita
Mozilla/5.0 (Linux; Android 9; ZTE Blade 10 Vita Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/107.0.5304.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade 10 Vita
Mozilla/5.0 (Linux; Android 9; Z6621O Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.48 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Optus X Vista
Mozilla/5.0 (Linux; Android 9; Z6621O Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/111.0.5563.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Optus X Vista
Mozilla/5.0 (Linux; Android 9; Z6201V Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.48 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7
Mozilla/5.0 (Linux; Android 9; Z6201V Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7
Mozilla/5.0 (Linux; Android 9; Z6201V Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/111.0.5563.58 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7
Mozilla/5.0 (Linux; Android 9; Z6201V Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/111.0.5563.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7
Mozilla/5.0 (Linux; Android 9; Z6201V Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.117 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Blade A7
Mozilla/5.0 (Linux; Android 9; Z3351S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.56 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Quest 5
Mozilla/5.0 (Linux; Android 9; Z3351S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.47 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Quest 5
Mozilla/5.0 (Linux; Android 9; Z3351S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/111.0.5563.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Quest 5
Mozilla/5.0 (Linux; Android 9; Z3351S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Quest 5
Mozilla/5.0 (Linux; Android 9; YK_P30 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.47 Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 YK P30
Mozilla/5.0 (Linux; Android 9; Y9Plus Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/112.0.5615.48 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/409.0.0.27.106;] Android 9 Y9 Plus