Latest Facebook Messenger 144 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; ALCATEL ONE TOUCH 7041X Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30 SVN/090FPG1 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 4 One Touch Pop C7
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; ALCATEL ONE TOUCH 7041X Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.2 Mobile Safari/534.30 SVN/070FPG1 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 4 One Touch Pop C7
Mozilla/5.0 (Linux; Android 7.1.1; U FEEL PRIME 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/144.0.0.22.136;] Android 7 U Feel Prime
Mozilla/5.0 (Linux; Android 7.1.1; ASUS_Z01BD Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 7 ZenFone 3 Laser
Mozilla/5.0 (Linux; Android 7.0; U PULSE 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/144.0.0.22.136;] Android 7 U Pulse
Mozilla/5.0 (Linux; Android 7.0; SM-J730F 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/144.0.0.22.136;] Android 7 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 7.0; SM-A520F 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/144.0.0.22.136;] Android 7 Galaxy A5 (2017)
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/144.0.0.22.136;] 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/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] 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/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] 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/58.0.3029.83 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 7 Galaxy A3 (2016)
Mozilla/5.0 (Linux; Android 7.0; SLA-L02 Build/HUAWEISLA-L02; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 7 P9 Lite Mini
Mozilla/5.0 (Linux; Android 6.0; XT1078 Build/MPBS24.65-34-5; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 6 XT1078
Mozilla/5.0 (Linux; Android 6.0; VFD 700 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 6 Smart Ultra 7
Mozilla/5.0 (Linux; Android 6.0; MYA-L41 Build/HUAWEIMYA-L41; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 6 Y6 (2017)
Mozilla/5.0 (Linux; Android 6.0; LG-K350 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 6 K8
Mozilla/5.0 (Linux; Android 6.0; LENNY3 MAX Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 6 Lenny 3 Max
Mozilla/5.0 (Linux; Android 6.0; K6000 Pro Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 6 K6000 Pro
Mozilla/5.0 (Linux; Android 6.0; HUAWEI VNS-L31 Build/HUAWEIVNS-L31; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/144.0.0.22.136;] Android 6 P9 Lite
Mozilla/5.0 (Linux; Android 6.0; HUAWEI GRA-L09 Build/HUAWEIGRA-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/144.0.0.22.136;] Android 6 P8