Latest Facebook Messenger 340 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; W-V800-TVM Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 View 3 Lite
Mozilla/5.0 (Linux; Android 9; SM-N950U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] 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/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-J260A Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Galaxy J2 Core
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; POT-LX1A Build/HUAWEIPOT-L41B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 P smart (2020)
Mozilla/5.0 (Linux; Android 9; LG-H930 Build/PKQ1.190414.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 V30
Mozilla/5.0 (Linux; Android 9; K7_Pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 K7 Pro
Mozilla/5.0 (Linux; Android 9; JAT-LX3 Build/HUAWEIJAT-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/103.0.5060.70 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Honor 8A
Mozilla/5.0 (Linux; Android 9; JAT-L41 Build/HUAWEIJAT-L41; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Honor 8A Pro
Mozilla/5.0 (Linux; Android 9; INE-LX2 Build/HUAWEIINE-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.92 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Nova 3i
Mozilla/5.0 (Linux; Android 9; G8142 Build/47.2.A.10.107; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 Xperia XZ Premium
Mozilla/5.0 (Linux; Android 9; ANE-LX1 Build/HUAWEIANE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 P20 Lite
Mozilla/5.0 (Linux; Android 9; ANE-LX1 Build/HUAWEIANE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 9 P20 Lite
Mozilla/5.0 (Linux; Android 8.1.0; Moto G (5S) Build/OPPS28.65-37-7-11; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 8 Moto G5s
Mozilla/5.0 (Linux; Android 8.1.0; DUB-LX1 Build/HUAWEIDUB-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 8 Y7 (2019)
Mozilla/5.0 (Linux; Android 8.1.0; CPH1903 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.45 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 8 AX7
Mozilla/5.0 (Linux; Android 8.1.0; CPH1803 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.92 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 8 A3s
Mozilla/5.0 (Linux; Android 8.1.0; 1801-A01 Build/OPM1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/340.0.0.11.119;] Android 8 N6 Pro