Latest Facebook Messenger 239 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SNE-LX1 Build/HUAWEISNE-L21; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.62 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 9 Mate 20 Lite
Mozilla/5.0 (Linux; Android 9; Mi A2 Lite Build/PKQ1.180917.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 9 Mi A2 Lite
Mozilla/5.0 (Linux; Android 9; ANE-LX1 Build/HUAWEIANE-L2101; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.96 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 9 P20 Lite
Mozilla/5.0 (Linux; Android 8.1.0; vivo 1812 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 8 Y81i
Mozilla/5.0 (Linux; Android 8.0.0; SM-G935F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.62 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.0.0.15.119;] Android 8 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 8.0.0; PRA-LA1 Build/HUAWEIPRA-LA1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 8 P8 Lite (2017)
Mozilla/5.0 (Linux; Android 8.0.0; G3112 Build/48.1.A.2.112; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.90 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 8 Xperia XA1
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.64 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 7 Redmi 4X
Mozilla/5.0 (Linux; Android 7.1.1; Moto E (4) Plus Build/NMA26.42-162-1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.101 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.0.0.15.119;] Android 7 Moto E4 Plus
Mozilla/5.0 (Linux; Android 7.0; SM-G925F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.90 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 7 Galaxy S6 Edge
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/239.1.0.17.119;] Android 6 M5c
Mozilla/5.0 (Linux; Android 6.0.1; SM-A500FU Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.62 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 6 Galaxy A5 Duos
Mozilla/5.0 (Linux; Android 5.1; CUN-AL00 Build/HUAWEICUN-AL00; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 5 Honor 5 Play
Mozilla/5.0 (Linux; Android 5.1; 8050G Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 5 One Touch Pixi 4 6" 3G
Mozilla/5.0 (Linux; Android 5.1.1; A33fw Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/239.1.0.17.119;] Android 5 Neo 7s
Mozilla/5.0 (iPad; CPU OS 13_1_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 [FBAN/MessengerForiOS;FBAV/239.0.0.38.114;FBBV/180084503;FBDV/iPad5,4;FBMD/iPad;FBSN/iOS;FBSV/13.1.3;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5] iPadOS 13 iPad Air 2