Latest Facebook 149 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.4.2; en-us; HTC Desire 526GPLUS dual sim Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 4 Desire 526GPLUS Dual SIM
Mozilla/5.0 (Linux; Android 8.0.0; ONEPLUS A3003 Build/OPR6.170623.013; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 8 3
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/65.0.3325.109 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 Redmi 4X
Mozilla/5.0 (Linux; Android 7.1.2; MI 5C Build/N2G47J; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.21 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 Mi 5c
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris X5 Build/NJH47F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.73 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.10.70;] Android 7 Aquaris X5
Mozilla/5.0 (Linux; Android 7.1.1; VFD 710 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 Smart V8
Mozilla/5.0 (Linux; Android 7.1.1; VFD 710 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 Smart V8
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/FB4A;FBAV/149.0.0.40.71;] Android 7 U Feel Prime
Mozilla/5.0 (Linux; Android 7.1.1; TA-1032 Build/NMF26O; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 3
Mozilla/5.0 (Linux; Android 7.1.1; SM-J510H Build/NMF26X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 Galaxy J5 (2016)
Mozilla/5.0 (Linux; Android 7.1.1; ONEPLUS A3003 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 3
Mozilla/5.0 (Linux; Android 7.1.1; Lenovo TB-8504F Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 TAB 4 8
Mozilla/5.0 (Linux; Android 7.1.1; F8331 Build/41.2.A.7.65; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 Xperia XZ
Mozilla/5.0 (Linux; Android 7.1.1; ASUS_X00ID Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 ZenFone 4 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/FB4A;FBAV/149.0.0.40.71;] Android 7 P10 Lite
Mozilla/5.0 (Linux; Android 7.0; TA-1020 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.107 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 3
Mozilla/5.0 (Linux; Android 7.0; STF-L09 Build/HUAWEISTF-L09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 Honor 9
Mozilla/5.0 (Linux; Android 7.0; STARNAUTE4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/65.0.3325.109 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 StarNaute 4
Mozilla/5.0 (Linux; Android 7.0; STARNAUTE4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 StarNaute 4
Mozilla/5.0 (Linux; Android 7.0; STARNAUTE4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/56.0.2924.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/149.0.0.40.71;] Android 7 StarNaute 4