Latest Facebook Messenger 216 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; VKY-L09 Build/HUAWEIVKY-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/98.0.4758.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 9 P10 Plus
Mozilla/5.0 (Linux; Android 9; CPH1933 Build/PKQ1.190714.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 9 A5 (2020)
Mozilla/5.0 (Linux; Android 8.0.0; RNE-L01 Build/HUAWEIRNE-L01; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 8 Mate 10 Lite
Mozilla/5.0 (Linux; Android 7.1.2; Mi A1 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 7 Mi A1
Mozilla/5.0 (Linux; Android 7.0; STF-L09 Build/HUAWEISTF-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/73.0.3683.90 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 7 Honor 9
Mozilla/5.0 (Linux; Android 6.0; M5c Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.146 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 6 M5c
Mozilla/5.0 (Linux; Android 6.0; HUAWEI VNS-L31 Build/HUAWEIVNS-L31; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 6 P9 Lite
Mozilla/5.0 (Linux; Android 6.0.1; SM-G532M Build/MMB29T; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 6 Galaxy J2 Prime
Mozilla/5.0 (Linux; Android 5.1; A1601 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.157 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/216.0.0.20.114;] Android 5 F1s