Latest Facebook Messenger 312 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo 2010 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 2010
Mozilla/5.0 (Linux; Android 9; SM-M205FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Galaxy M20
Mozilla/5.0 (Linux; Android 9; SM-J730FM Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; SM-J730F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; Redmi 6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Redmi 6
Mozilla/5.0 (Linux; Android 9; PAR-LX1 Build/HUAWEIPAR-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Nova 3
Mozilla/5.0 (Linux; Android 9; moto e6s Build/POBS29.288-60-6-1-7; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Moto E6s
Mozilla/5.0 (Linux; Android 9; moto e(6) plus Build/PTA29.401-25; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Moto E6 Plus
Mozilla/5.0 (Linux; Android 9; LM-V405 Build/PKQ1.190202.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 V40 ThinQ
Mozilla/5.0 (Linux; Android 9; JKM-LX2 Build/HUAWEIJKM-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.198 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Y9 (2019)
Mozilla/5.0 (Linux; Android 9; INE-LX2 Build/HUAWEIINE-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 9 Nova 3i
Mozilla/5.0 (Linux; Android 8.1.0; vivo 1817 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 8 Y91
Mozilla/5.0 (Linux; Android 8.1.0; TECNO B2 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 8 B2
Mozilla/5.0 (Linux; Android 8.1.0; moto e5 play Build/OPGS28.54-53-8-7; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 8 Moto E5 Play
Mozilla/5.0 (Linux; Android 8.0.0; SM-A320FL Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 8 Galaxy A3 (2017)
Mozilla/5.0 (Linux; Android 8.0.0; HTC 10 Build/OPR1.170623.027; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 8 10
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4A Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 7 Redmi 4A
Mozilla/5.0 (Linux; Android 7.1.1; SM-J510FN Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 7 Galaxy J5 (2016)
Mozilla/5.0 (Linux; Android 7.1.1; CPH1717 Build/N4F26M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 7 A71
Mozilla/5.0 (Linux; Android 7.0; SM-G925F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/312.0.0.11.120;] Android 7 Galaxy S6 Edge