Latest Facebook 105 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; en-us; ZTE-Z777 Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 Z777
Mozilla/5.0 (Linux; U; Android 4.3; en-us; MT2L03 Build/HuaweiMT2L03LITE) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 Ascend Mate 2
Mozilla/5.0 (Linux; U; Android 4.3; en-us; HUAWEI H871G Build/HuaweiH871G) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 H871G
Mozilla/5.0 (Linux; U; Android 4.1.2; pt-br; LG-E467f Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 Optimus L4 II Dual
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; SCH-I200PP Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 Galaxy Stellar
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; LG-US730 Build/IMM76L) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 US730
Mozilla/5.0 (Linux; Android 5.1.1; SM-G360T1 Build/LMY47X; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 5 Galaxy Core Prime
Mozilla/5.0 (Linux; Android 5.0; MEO Smart A80 Build/LRX21M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 5 MEO Smart A80
Mozilla/5.0 (Linux; Android 5.0.2; MEO Smart A80 Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 5 MEO Smart A80
Mozilla/5.0 (Linux; Android 5.0.2; LG-D405 Build/LRX22G.A1454843669) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/37.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 5 L90
Mozilla/5.0 (Linux; Android 4.4.4; LG-D390AR Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 D390AR
Mozilla/5.0 (Linux; Android 4.4.2; SM-G130H Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 Galaxy Young 2
Mozilla/5.0 (Linux; Android 4.4.2; LG-D385 Build/KOT49I.A1405661439) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 L80 Dual
Mozilla/5.0 (Linux; Android 4.4.2; Hol-U19 Build/HUAWEIHol-U19) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 Honor 3C Lite
Mozilla/5.0 (Linux; Android 4.4.2; GT-I9301I Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/105.0.0.23.137;] Android 4 Galaxy S III Neo