Latest Facebook Messenger 298 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; vivo 1904 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Y12
Mozilla/5.0 (Linux; Android 9; vivo 1902 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/298.0.0.14.118;] Android 9 Y17
Mozilla/5.0 (Linux; Android 9; vivo 1902 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Y17
Mozilla/5.0 (Linux; Android 9; TA-1053 Build/PKQ1.181105.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 5
Mozilla/5.0 (Linux; Android 9; STK-LX3 Build/HUAWEISTK-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Y9 Prime (2019)
Mozilla/5.0 (Linux; Android 9; SM-N960U 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/298.0.0.14.118;] Android 9 Galaxy Note 9
Mozilla/5.0 (Linux; Android 9; SM-N950U 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/298.0.0.14.118;] 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/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-N9500 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-M205FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy M20
Mozilla/5.0 (Linux; Android 9; SM-J730G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; SM-J701M Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 9; SM-J530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G950U 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/298.0.0.14.118;] 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/88.0.4324.152 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] 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/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A750FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy A7 (2018)
Mozilla/5.0 (Linux; Android 9; SM-A530F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy A8
Mozilla/5.0 (Linux; Android 9; SM-A107F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Galaxy A10s
Mozilla/5.0 (Linux; Android 9; Redmi Note 8 Pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.141 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/298.0.0.14.118;] Android 9 Redmi Note 8 Pro