Latest Facebook Messenger 169 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; pt-pt; GT-S7580 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 4 Galaxy Trend Plus
Mozilla/5.0 (Linux; Android 8.0.0; VTR-L09 Build/HUAWEIVTR-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.68 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 P10
Mozilla/5.0 (Linux; Android 8.0.0; VKY-L09 Build/HUAWEIVKY-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 P10 Plus
Mozilla/5.0 (Linux; Android 8.0.0; SM-N950F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 Galaxy Note 8
Mozilla/5.0 (Linux; Android 8.0.0; SM-G950U Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.81 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 Galaxy S8
Mozilla/5.0 (Linux; Android 8.0.0; SM-G950F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 Galaxy S8
Mozilla/5.0 (Linux; Android 8.0.0; SM-G935F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.81 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 8.0.0; SM-G935F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.68 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 8.0.0; SM-A520F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 Galaxy A5 (2017)
Mozilla/5.0 (Linux; Android 8.0.0; ONEPLUS A3003 Build/OPR1.170623.032; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 3
Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX1 Build/HUAWEIFIG-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.81 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 P smart
Mozilla/5.0 (Linux; Android 8.0.0; BLA-L29 Build/HUAWEIBLA-L29S; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 Mate 10 Pro
Mozilla/5.0 (Linux; Android 8.0.0; ASUS_Z017D Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.81 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 ZenFone 3
Mozilla/5.0 (Linux; Android 8.0.0; ASUS_Z017D Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.68 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 8 ZenFone 3
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.68 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 7 Redmi 4X
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris V Plus Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 7 Aquaris V Plus
Mozilla/5.0 (Linux; Android 7.1.1; SM-J510FN Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.81 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 7 Galaxy J5 (2016)
Mozilla/5.0 (Linux; Android 7.1.1; SM-J510FN Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.68 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 7 Galaxy J5 (2016)
Mozilla/5.0 (Linux; Android 7.1.1; MI 6 Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 7 Mi 6
Mozilla/5.0 (Linux; Android 7.1.1; ASUS_Z01MD Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/169.0.0.27.76;] Android 7 ZenFone 4 Selfie Pro