Latest Facebook Messenger 275 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-J730G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; SM-J530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] 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/84.0.4147.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] 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/84.0.4147.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] 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/84.0.4147.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A600G 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/275.0.0.20.119;] Android 9 Galaxy A6
Mozilla/5.0 (Linux; Android 9; SM-A505FN 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/275.0.0.20.119;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A505FM 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/275.0.0.20.119;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A307G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Galaxy A30s
Mozilla/5.0 (Linux; Android 9; SM-A105F 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/275.0.0.20.119;] Android 9 Galaxy A10
Mozilla/5.0 (Linux; Android 9; RMX1821 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/275.0.0.20.119;] Android 9 3
Mozilla/5.0 (Linux; Android 9; Redmi Note 8T Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Redmi Note 8T
Mozilla/5.0 (Linux; Android 9; Redmi Note 8T Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Redmi Note 8T
Mozilla/5.0 (Linux; Android 9; Redmi Note 8T Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] 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/84.0.4147.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] 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/84.0.4147.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Redmi Note 7
Mozilla/5.0 (Linux; Android 9; Nokia X6 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/275.0.0.20.119;] Android 9 X6
Mozilla/5.0 (Linux; Android 9; MRD-LX3 Build/HUAWEIMRD-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; moto g(7) supra Build/PCOS29.114-134-17; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Moto G7 Supra
Mozilla/5.0 (Linux; Android 9; JKM-LX2 Build/HUAWEIJKM-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/275.0.0.20.119;] Android 9 Y9 (2019)