Latest Facebook 189 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-J600G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 8.1.0; TECNO KB2 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 Camon iAce 2
Mozilla/5.0 (Linux; Android 8.1.0; ONEPLUS A6003 Build/OPM1.171019.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 6
Mozilla/5.0 (Linux; Android 8.1.0; Infinix X624B Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.149 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 Hot 7
Mozilla/5.0 (Linux; Android 8.1.0; DRA-LX3 Build/HUAWEIDRA-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 Y5 (2018)
Mozilla/5.0 (Linux; Android 8.1.0; COL-L29 Build/HUAWEICOL-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 Honor 10
Mozilla/5.0 (Linux; Android 8.0.0; STF-L09 Build/HUAWEISTF-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 Honor 9
Mozilla/5.0 (Linux; Android 8.0.0; SM-G950F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.26.91;] 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/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 Galaxy S8
Mozilla/5.0 (Linux; Android 8.0.0; SM-G930F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.31.91;] Android 8 Galaxy S7
Mozilla/5.0 (Linux; Android 8.0.0; PRA-LX1 Build/HUAWEIPRA-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 P8 Lite (2017)
Mozilla/5.0 (Linux; Android 8.0.0; PRA-LX1 Build/HUAWEIPRA-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.26.91;] Android 8 P8 Lite (2017)
Mozilla/5.0 (Linux; Android 8.0.0; LDN-LX3 Build/HUAWEILDN-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 Y7 (2018)
Mozilla/5.0 (Linux; Android 8.0.0; FIG-LX3 Build/HUAWEIFIG-LX3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 8 P smart
Mozilla/5.0 (Linux; Android 7.1.1; Z899VL Build/NMF26V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 7 Majesty Pro Plus LTE
Mozilla/5.0 (Linux; Android 7.1.1; SM-J510MN Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.100 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 7 Galaxy J5 (2016)
Mozilla/5.0 (Linux; Android 7.1.1; SM-G611MT Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 7 Galaxy J7 Prime 2
Mozilla/5.0 (Linux; Android 7.1.1; MI MAX 2 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 7 Mi Max 2
Mozilla/5.0 (Linux; Android 7.0; SM-J701MT Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 7 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 7.0; SM-J530G Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/189.0.0.35.91;] Android 7 Galaxy J5 Pro (2017)