Latest Facebook Messenger 343 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; X2_euro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 X2
Mozilla/5.0 (Linux; Android 9; TECNO BB4k Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Spark 4 Lite
Mozilla/5.0 (Linux; Android 9; SM-J701F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 9; SM-G960F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.62 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Galaxy S9
Mozilla/5.0 (Linux; Android 9; SM-G950W Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A505F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Galaxy A50
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/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Redmi Note 8 Pro
Mozilla/5.0 (Linux; Android 9; Redmi 8 Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Redmi 8
Mozilla/5.0 (Linux; Android 9; JSN-L21 Build/HONORJSN-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Honor 8X
Mozilla/5.0 (Linux; Android 9; JAT-LX3 Build/HUAWEIJAT-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Honor 8A
Mozilla/5.0 (Linux; Android 9; H4113 Build/50.2.A.3.55; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 Xperia XA2 Dual
Mozilla/5.0 (Linux; Android 9; FIG-LX1 Build/HUAWEIFIG-L31; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 P smart
Mozilla/5.0 (Linux; Android 9; CPH2083 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 A12
Mozilla/5.0 (Linux; Android 9; CPH2015 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 A31
Mozilla/5.0 (Linux; Android 9; ANE-LX1 Build/HUAWEIANE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 9 P20 Lite
Mozilla/5.0 (Linux; Android 8.1.0; CPH1909 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] 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/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 8 A5S
Mozilla/5.0 (Linux; Android 8.0.0; SM-G950F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 8 Galaxy S8
Mozilla/5.0 (Linux; Android 8.0.0; SM-A530F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 8 Galaxy A8
Mozilla/5.0 (Linux; Android 8.0.0; SM-A520F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/343.0.0.8.474;] Android 8 Galaxy A5 (2017)