Latest Facebook Messenger 196 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ONEPLUS A6010 Build/PKQ1.180716.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 9 6T
Mozilla/5.0 (Linux; Android 8.1.0; EML-L09 Build/HUAWEIEML-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 8 P20
Mozilla/5.0 (Linux; Android 8.1.0; CLT-L29 Build/HUAWEICLT-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 8 P20 Pro
Mozilla/5.0 (Linux; Android 8.1.0; A502DL Build/OPM1.171019.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 8 LX
Mozilla/5.0 (Linux; Android 8.0.0; SAMSUNG-SM-G935A Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.1.0.40.99;] Android 8 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 8.0.0; FIG-LA1 Build/HUAWEIFIG-LA1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.1.0.40.99;] Android 8 P smart
Mozilla/5.0 (Linux; Android 8.0.0; ANE-LX3 Build/HUAWEIANE-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 8 P20 Lite
Mozilla/5.0 (Linux; Android 8.0.0; ANE-LX2 Build/HUAWEIANE-LX2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 8 P20 Lite
Mozilla/5.0 (Linux; Android 7.0; SM-G930U Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 7 Galaxy S7
Mozilla/5.0 (Linux; Android 7.0; SM-A720F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 7 Galaxy A7 (2017)
Mozilla/5.0 (Linux; Android 7.0; Redmi Note 4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 7 Redmi Note 4
Mozilla/5.0 (Linux; Android 7.0; MS650 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 7 Ixion MS650
Mozilla/5.0 (Linux; Android 7.0; MI MAX Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 7 Mi Max
Mozilla/5.0 (Linux; Android 6.0; Redmi Pro Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.1.0.40.99;] Android 6 Redmi Pro
Mozilla/5.0 (Linux; Android 6.0; CPH1609 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 6 F3
Mozilla/5.0 (Linux; Android 6.0.1; SM-G600FY Build/MMB29M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.1.0.40.99;] Android 6 Galaxy On7
Mozilla/5.0 (Linux; Android 5.0; ASUS_Z00AD Build/LRX21V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/196.0.0.29.99;] Android 5 ZenFone 2