Latest Facebook Messenger 265 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo 1920 Build/PKQ1.190626.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 S1 Pro
Mozilla/5.0 (Linux; Android 9; vivo 1806 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.83 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 V11i
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.132 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-J810G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.149 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Galaxy J8
Mozilla/5.0 (Linux; Android 9; SM-J337V Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Galaxy J3 (2018)
Mozilla/5.0 (Linux; Android 9; SM-G960F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.132 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Galaxy S9
Mozilla/5.0 (Linux; Android 9; SM-A505FT Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A105FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Galaxy A10
Mozilla/5.0 (Linux; Android 9; SM-A105F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.162 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Galaxy A10
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/83.0.4103.60 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] 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/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Redmi Note 7
Mozilla/5.0 (Linux; Android 9; MRD-LX3 Build/HUAWEIMRD-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; MRD-LX1 Build/HUAWEIMRD-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Y6 (2019)
Mozilla/5.0 (Linux; Android 9; Mi 9 Lite Build/PKQ1.181121.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Mi 9 Lite
Mozilla/5.0 (Linux; Android 9; LLD-L21 Build/HONORLLD-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.83 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Honor 9 Lite
Mozilla/5.0 (Linux; Android 9; JAT-L29 Build/HUAWEIJAT-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Honor 8A
Mozilla/5.0 (Linux; Android 9; CPH1989 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 Reno 2F
Mozilla/5.0 (Linux; Android 9; CPH1931 Build/PKQ1.190714.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 9 A5 (2020)
Mozilla/5.0 (Linux; Android 8.1.0; Xperia XZ1 Compact (AOSP) Build/OPM7.181205.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/265.0.0.24.107;] Android 8 Xperia XZ1 Compact