Latest Facebook Messenger 143 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 7.1.1; ONEPLUS A5000 Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 5
Mozilla/5.0 (Linux; Android 7.1.1; ASUS_X00DD Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 ZenFone 3 Max
Mozilla/5.0 (Linux; Android 7.0; WAS-LX1A Build/HUAWEIWAS-LX1A; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 P10 Lite
Mozilla/5.0 (Linux; Android 7.0; VFD 610 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Smart N8
Mozilla/5.0 (Linux; Android 7.0; U16 Max Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 U16 Max
Mozilla/5.0 (Linux; Android 7.0; SM-J710F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy J7
Mozilla/5.0 (Linux; Android 7.0; SM-J710F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy J7
Mozilla/5.0 (Linux; Android 7.0; SM-J530F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 7.0; SM-G935F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 7.0; SM-G930F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.9.69;] Android 7 Galaxy S7
Mozilla/5.0 (Linux; Android 7.0; SM-A510F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy A5 (2016)
Mozilla/5.0 (Linux; Android 7.0; SM-A320FL Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy A3 (2017)
Mozilla/5.0 (Linux; Android 7.0; SM-A310F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy A3 (2016)
Mozilla/5.0 (Linux; Android 7.0; SM-A310F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Galaxy A3 (2016)
Mozilla/5.0 (Linux; Android 7.0; PRA-LX1 Build/HUAWEIPRA-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 P8 Lite (2017)
Mozilla/5.0 (Linux; Android 7.0; LG-H990 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 V20
Mozilla/5.0 (Linux; Android 7.0; FRD-L09 Build/HUAWEIFRD-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 Honor 8
Mozilla/5.0 (Linux; Android 7.0; ASUS_Z017D Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 7 ZenFone 3
Mozilla/5.0 (Linux; Android 6.0; XT1069 Build/MPB24.65-34-3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 6 Moto G
Mozilla/5.0 (Linux; Android 6.0; MYA-L41 Build/HUAWEIMYA-L41; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/143.0.0.20.69;] Android 6 Y6 (2017)