Latest Facebook Messenger 378 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; Redmi 6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/101.0.4951.61 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 9 Redmi 6
Mozilla/5.0 (Linux; Android 8.1.0; Plume L1 Plus Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 8 Plume L1 Plus
Mozilla/5.0 (Linux; Android 8.1.0; itel W5001P Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 8 A33
Mozilla/5.0 (Linux; Android 7.0; HUAWEI NMO-L31 Build/HUAWEINMO-L31; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 7 GT3
Mozilla/5.0 (Linux; Android 5.1.1; OPPO A33m Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/42.0.2311.138 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 5 A33m
Mozilla/5.0 (Linux; Android 4.4.2; Hol-U19 Build/HUAWEIHol-U19) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 4 Honor 3C Lite
Mozilla/5.0 (Linux; Android 12; vivo 2006 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.79 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 12 X50 Pro
Mozilla/5.0 (Linux; Android 12; LGE-NX9 Build/HONORLGE-N49; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 12 Magic 4 Pro
Mozilla/5.0 (Linux; Android 12; CPH2023 Build/RKQ1.211103.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.79 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 12 Find X2
Mozilla/5.0 (Linux; Android 12; 21091116I Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 12 Redmi Note 11T 5G
Mozilla/5.0 (Linux; Android 11; ZTE Blade L9 Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 Blade L9
Mozilla/5.0 (Linux; Android 11; TECNO BD4i Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 Pop 5 LTE
Mozilla/5.0 (Linux; Android 11; SM-A105F Build/RP1A.200720.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.79 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 Galaxy A10
Mozilla/5.0 (Linux; Android 11; RMX3511 Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.79 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 C35
Mozilla/5.0 (Linux; Android 11; RAVOZ Z3 Lite Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/122.0.6261.64 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 Z3 Lite
Mozilla/5.0 (Linux; Android 11; RAVOZ Z3 Lite Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/121.0.6167.164 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 Z3 Lite
Mozilla/5.0 (Linux; Android 11; N1374DL Build/RKQ1.210528.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.79 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 G300 5G
Mozilla/5.0 (Linux; Android 11; iHunt Like 12 PRO Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.79 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 Like 12 Pro
Mozilla/5.0 (Linux; Android 11; Hisense U30 32GB Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 U30 32GB
Mozilla/5.0 (Linux; Android 11; BNE-LX1 Build/HUAWEIBNE-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.93 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/378.0.0.25.106;] Android 11 Nova 10 SE