Latest Facebook 35 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; ru-ru; GT-I9500 Build/JSS15J) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 Galaxy S4
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/35.0.0.0.294;] Android 4 Z777
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/35.0.0.48.273;] Android 4 H871G
Mozilla/5.0 (Linux; U; Android 4.2.2; es-es; Micromax A47 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 A47
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; LG-D520 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 D520
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; HUAWEI G730-C00 Build/HuaweiG730-C00) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.0.272;] Android 4 Ascend G730
Mozilla/5.0 (Linux; U; Android 4.1.2; en-au; HTC_0P6A1 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 0P6A1
Mozilla/5.0 (Linux; U; Android 4.1.1; en-cn; HTC T329t Build/JRO03H) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.0.153;] Android 4 T329t
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; SGH-S730G Build/IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 Galaxy Discover
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/35.0.0.48.273;] Android 4 US730
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; Huawei-U8687 Build/HuaweiU8687) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 U8687
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; HUAWEI M868 Build/HuaweiM868) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 M868
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; HTC One VX Build/IMM76I) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 One VX
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; GT-S7562L Build/IMM76I) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 Galaxy S DUOS
Mozilla/5.0 (Linux; U; Android 4.0.3; en-us; LG-L40G Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 4 L40G
Mozilla/5.0 (Linux; U; Android 3.1; en-us; LG-V909 Build/HMJ37) AppleWebKit/534.13 (KHTML, like Gecko) Version/4.0 Safari/534.13 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 3 V909
Mozilla/5.0 (Linux; Android 9.0.0; vivo Y11) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.117 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 9 Y11
Mozilla/5.0 (Linux; Android 5.1; I1-TF Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Safari/537.36 [FB_IAB/FB4A;FBAV/35.0.0.0.109;] Android 5 iWork 8 Air
Mozilla/5.0 (Linux; Android 5.1; 5015D Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 5 One Touch Pop 3 Dual SIM
Mozilla/5.0 (Linux; Android 5.1; 5015D Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/35.0.0.48.273;] Android 5 One Touch Pop 3 Dual SIM