Latest Facebook Messenger 283 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo 1819 Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 V15
Mozilla/5.0 (Linux; Android 9; vivo 1804 Build/PKQ1.180819.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 V11 Pro
Mozilla/5.0 (Linux; Android 9; SM-M205FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy M20
Mozilla/5.0 (Linux; Android 9; SM-J810M Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy J8
Mozilla/5.0 (Linux; Android 9; SM-J737P 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/283.0.0.16.120;] Android 9 Galaxy J7 (2018)
Mozilla/5.0 (Linux; Android 9; SM-J701MT Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 9; SM-J701MT 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/283.0.0.14.120;] Android 9 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 9; SM-J530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-J400M Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy J4
Mozilla/5.0 (Linux; Android 9; SM-J330F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy J3 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G950W 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/283.0.0.16.120;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A705MN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy A70
Mozilla/5.0 (Linux; Android 9; SM-A530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; Redmi Note 8T Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] 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/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] 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/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Redmi Note 7
Mozilla/5.0 (Linux; Android 9; Redmi K20 Pro Build/PKQ1.181121.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Redmi K20 Pro
Mozilla/5.0 (Linux; Android 9; Redmi 8 Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Redmi 8
Mozilla/5.0 (Linux; Android 9; Redmi 7A Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 Redmi 7A
Mozilla/5.0 (Linux; Android 9; motorola one macro Build/PMDS29.70-70-2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/283.0.0.16.120;] Android 9 One Macro