Latest Facebook Messenger 282 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ZTE Blade L8 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Blade L8
Mozilla/5.0 (Linux; Android 9; vivo 1915 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Y19
Mozilla/5.0 (Linux; Android 9; vivo 1723 Build/PKQ1.190118.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.96 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 V9
Mozilla/5.0 (Linux; Android 9; STK-L22 Build/HUAWEISTK-L22; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.125 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Y9 Prime (2019)
Mozilla/5.0 (Linux; Android 9; SM-M205FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy M20
Mozilla/5.0 (Linux; Android 9; SM-J600F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 9; SM-J530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-J330F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy J3 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G950U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.185 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.120 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A505FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A307FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.120 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy A30s
Mozilla/5.0 (Linux; Android 9; SM-A305F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Galaxy A30
Mozilla/5.0 (Linux; Android 9; RMX1941 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 C2
Mozilla/5.0 (Linux; Android 9; Redmi Note 8T Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Redmi Note 8T
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Redmi Note 8
Mozilla/5.0 (Linux; Android 9; Redmi Note 7 Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.120 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Redmi Note 7
Mozilla/5.0 (Linux; Android 9; Redmi Note 7 Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Redmi Note 7
Mozilla/5.0 (Linux; Android 9; Redmi 8 Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/282.0.0.10.119;] Android 9 Redmi 8