Latest Facebook Messenger 222 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-S367VL Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/76.0.3809.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 9 Galaxy J3 Orbit
Mozilla/5.0 (Linux; Android 9; RMX1941 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.96 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 9 C2
Mozilla/5.0 (Linux; Android 9; Mi A2 Lite Build/PKQ1.180917.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 9 Mi A2 Lite
Mozilla/5.0 (Linux; Android 5; SM-S367VL Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/76.0.3809.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 5 Galaxy J3 Orbit
Mozilla/5.0 (Linux; Android 5.0.2; vivo Y51 Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 5 Y51
Mozilla/5.0 (Linux; Android 2; SM-S367VL Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/76.0.3809.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 2 Galaxy J3 Orbit
Mozilla/5.0 (Linux; Android 10; Realme C3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/76.0.3809.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 10 Unknown
Mozilla/5.0 (Linux; Android 10; JSN-L21 Build/HONORJSN-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.89 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/222.0.0.15.124;] Android 10 Honor 8X