Latest Facebook Messenger 394 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 8.1.0; W_P200 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 8 View Max
Mozilla/5.0 (Linux; Android 8.1.0; SM-A260G Build/OPR6; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 8 Galaxy A2 Core
Mozilla/5.0 (Linux; Android 7.1.1; N9560 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 7 Max XL
Mozilla/5.0 (Linux; Android 7.0; HM-G701-FL Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 7 G701
Mozilla/5.0 (Linux; Android 7.0; Alcatel_5044C Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 7 5044C
Mozilla/5.0 (Linux; Android 6.0; CAM-UL00 Build/HONORCAM-UL00; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 6 Honor Holly 3
Mozilla/5.0 (Linux; Android 5.1.1; SM-G361F Build/LMY48B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 5 Galaxy Core Prime Value Edition
Mozilla/5.0 (Linux; Android 13; V2169 Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 13 Y77 5G
Mozilla/5.0 (Linux; Android 13; V2124 Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.85 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 13 Y76 5G
Mozilla/5.0 (Linux; Android 13; SM-M336BU Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/104.0.5112.97 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 13 Galaxy M33 5G
Mozilla/5.0 (Linux; Android 12; V2217 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/104.0.5112.97 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Y02
Mozilla/5.0 (Linux; Android 12; V2206 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.114 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Y22s
Mozilla/5.0 (Linux; Android 12; V2140 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Y21e
Mozilla/5.0 (Linux; Android 12; V2109 Build/SP1A.210812.003_NONFC; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Y33s
Mozilla/5.0 (Linux; Android 12; V2058 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.114 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Y53s
Mozilla/5.0 (Linux; Android 12; V2058 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Y53s
Mozilla/5.0 (Linux; Android 12; V2029 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Y20
Mozilla/5.0 (Linux; Android 12; SM-A047F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/102.0.5005.125 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Galaxy A04s
Mozilla/5.0 (Linux; Android 12; SM-A042F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/102.0.5005.125 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 Galaxy A04e
Mozilla/5.0 (Linux; Android 12; RMX3624 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.117 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/394.0.0.15.72;] Android 12 C33