Latest Facebook Messenger 335 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; TECNO AB7 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.1.0.17.75;] Android 9 Phantom 9
Mozilla/5.0 (Linux; Android 9; SM-S767VL Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.50 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Galaxy J7 Crown
Mozilla/5.0 (Linux; Android 9; SM-N960U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.50 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Galaxy Note 9
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A750GN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Galaxy A7 (2018)
Mozilla/5.0 (Linux; Android 9; SM-A405FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Galaxy A40
Mozilla/5.0 (Linux; Android 9; RMX1911 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.50 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 5
Mozilla/5.0 (Linux; Android 9; Redmi Note 8T Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] 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/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi 7 Build/PKQ1.181021.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Redmi 7
Mozilla/5.0 (Linux; Android 9; Mi 9T Build/PKQ1.190302.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.0.0.17.75;] Android 9 Mi 9T
Mozilla/5.0 (Linux; Android 9; JKM-LX1 Build/HUAWEIJKM-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 Y9 (2019)
Mozilla/5.0 (Linux; Android 9; CPH2015 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.50 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.0.0.17.75;] Android 9 A31
Mozilla/5.0 (Linux; Android 9; CPH1923 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.50 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 9 A1k
Mozilla/5.0 (Linux; Android 9; ANE-LX1 Build/HUAWEIANE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.50 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.0.0.17.75;] Android 9 P20 Lite
Mozilla/5.0 (Linux; Android 8.1.0; CPH1912 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 8 A5S
Mozilla/5.0 (Linux; Android 8.1.0; CPH1909 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 8 A5S
Mozilla/5.0 (Linux; Android 8.1.0; CPH1805 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 8 A3s
Mozilla/5.0 (Linux; Android 8.0.0; SM-G935F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.0.0.17.75;] Android 8 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 8.0.0; SM-G930F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.71 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/335.2.0.17.75;] Android 8 Galaxy S7