Latest Facebook Messenger 328 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; VTR-L29 Build/HUAWEIVTR-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.62 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 P10
Mozilla/5.0 (Linux; Android 9; vivo 1902 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.110 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Y17
Mozilla/5.0 (Linux; Android 9; SOV36 Build/47.2.C.1.126; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.166 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Xperia XZ1
Mozilla/5.0 (Linux; Android 9; SM-N950N 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/328.2.0.18.118;] 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/93.0.4577.62 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] 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/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G950F 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/328.2.0.18.118;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.166 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A920F 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/328.2.0.18.118;] Android 9 Galaxy A9 (2018)
Mozilla/5.0 (Linux; Android 9; SM-A530F 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/328.2.0.18.118;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; SM-A505F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A305FN 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/328.2.0.18.118;] Android 9 Galaxy A30
Mozilla/5.0 (Linux; Android 9; SM-A205F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/76.0.3809.132 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Galaxy A20
Mozilla/5.0 (Linux; Android 9; RMX1943 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/328.2.0.18.118;] Android 9 C2
Mozilla/5.0 (Linux; Android 9; RMX1941 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/328.2.0.18.118;] Android 9 C2
Mozilla/5.0 (Linux; Android 9; Redmi 8 Build/PKQ1.190319.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.62 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Redmi 8
Mozilla/5.0 (Linux; Android 9; Redmi 6 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/328.2.0.18.118;] Android 9 Redmi 6
Mozilla/5.0 (Linux; Android 9; MRD-LX2 Build/HUAWEIMRD-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.166 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Y6 Pro (2019)
Mozilla/5.0 (Linux; Android 9; moto e(6) plus Build/PTA29.401-58; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Moto E6 Plus
Mozilla/5.0 (Linux; Android 9; Mi Note 10 Build/PKQ1.190302.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.166 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/328.2.0.18.118;] Android 9 Mi Note 10