Latest Facebook Messenger 223 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-G960F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.143 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/223.0.0.11.119;] Android 9 Galaxy S9
Mozilla/5.0 (Linux; Android 9; Redmi Note 7 Pro Build/PKQ1.181203.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/223.0.0.11.119;] Android 9 Redmi Note 7 Pro
Mozilla/5.0 (Linux; Android 9; myXI1 Plus 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/223.0.0.11.119;] Android 9 myXI1 Plus
Mozilla/5.0 (Linux; Android 9; BLA-L29 Build/HUAWEIBLA-L29S; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/223.0.0.11.119;] Android 9 Mate 10 Pro
Mozilla/5.0 (Linux; Android 7.0; SM-A520F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/223.0.0.11.119;] Android 7 Galaxy A5 (2017)
Mozilla/5.0 (Linux; Android 6.0.1; LG-M151 Build/MXB48T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/223.0.0.11.119;] Android 6 K4
Mozilla/5.0 (Linux; Android 5.1; vivo 1707 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/50.0.2661.86 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/223.0.0.11.119;] Android 5 Y51 (2015)