Latest Facebook 184 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; Flare_Y6_Pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 9 Flare Y6 Pro
Mozilla/5.0 (Linux; Android 8.1.0; W_K300 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Jerry 3
Mozilla/5.0 (Linux; Android 8.1.0; W_K300 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Jerry 3
Mozilla/5.0 (Linux; Android 8.1.0; VFD 720 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Smart N9
Mozilla/5.0 (Linux; Android 8.1.0; VFD 720 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Smart N9
Mozilla/5.0 (Linux; Android 8.1.0; VFD 620 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/65.0.3325.109 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Smart N9 Lite
Mozilla/5.0 (Linux; Android 8.1.0; COL-L29 Build/HUAWEICOL-L29; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Honor 10
Mozilla/5.0 (Linux; Android 8.1.0; BBB100-1 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/107.0.5304.141 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 KEYone
Mozilla/5.0 (Linux; Android 8.1.0; BBB100-1 Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/103.0.5060.71 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 KEYone
Mozilla/5.0 (Linux; Android 8.1.0; Aquaris X Pro Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Aquaris X Pro
Mozilla/5.0 (Linux; Android 8.1.0; Aquaris X Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Aquaris X
Mozilla/5.0 (Linux; Android 8.1.0; 5052D Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 3
Mozilla/5.0 (Linux; Android 8.0.0; WAS-LX1A Build/HUAWEIWAS-LX1A; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.31.79;] Android 8 P10 Lite
Mozilla/5.0 (Linux; Android 8.0.0; VKY-L09 Build/HUAWEIVKY-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 P10 Plus
Mozilla/5.0 (Linux; Android 8.0.0; TA-1032 Build/O00623; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 3
Mozilla/5.0 (Linux; Android 8.0.0; SM-G960F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.70 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Galaxy S9
Mozilla/5.0 (Linux; Android 8.0.0; SM-G935F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Galaxy S7 Edge
Mozilla/5.0 (Linux; Android 8.0.0; SM-A600FN Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Galaxy A6
Mozilla/5.0 (Linux; Android 8.0.0; SM-A520F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 Galaxy A5 (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/68.0.3440.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/184.0.0.41.79;] Android 8 P8 Lite (2017)