Latest Facebook Messenger 273 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo 1902 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Y17
Mozilla/5.0 (Linux; Android 9; STK-LX3 Build/HUAWEISTK-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Y9 Prime (2019)
Mozilla/5.0 (Linux; Android 9; STK-LX1 Build/HONORSTK-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 P smart Z
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-J530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-J530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-A705MN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy A70
Mozilla/5.0 (Linux; Android 9; SM-A600FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy A6
Mozilla/5.0 (Linux; Android 9; SM-A305G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy A30
Mozilla/5.0 (Linux; Android 9; SM-A205F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy A20
Mozilla/5.0 (Linux; Android 9; SM-A202F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy A20e
Mozilla/5.0 (Linux; Android 9; SM-A102U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Galaxy A10e
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/273.0.0.16.120;] Android 9 Redmi Note 8T
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi Note 7 Build/PKQ1.180904.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Redmi Note 7
Mozilla/5.0 (Linux; Android 9; Redmi 6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Redmi 6
Mozilla/5.0 (Linux; Android 9; ONEPLUS A3003 Build/PKQ1.181203.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 3
Mozilla/5.0 (Linux; Android 9; MRD-LX2 Build/HUAWEIMRD-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/273.0.0.16.120;] Android 9 Y6 Pro (2019)
Mozilla/5.0 (Linux; Android 9; moto g(8) play Build/PMDS29.70-81-5; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/273.0.0.16.120;] Android 9 Moto G8 Play