Latest Facebook 37 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; ko-kr; SM-T255S Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 Galaxy W
Mozilla/5.0 (Linux; U; Android 4.3; es-us; ZTE-Z669 Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 Z669
Mozilla/5.0 (Linux; U; Android 4.3; en-us; ZTE-Z667G Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.17.234;] Android 4 Z667G
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; VIVO IV Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 IV
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; Micromax A47 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 A47
Mozilla/5.0 (Linux; U; Android 4.2.1; en-in; Micromax A250 Build/JOP40D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 A250
Mozilla/5.0 (Linux; U; Android 4.2.1; en-in; Micromax A210 Build/JOP40D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 A210
Mozilla/5.0 (Linux; U; Android 4.1.2; es-mx; LG-P714 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 Optimus L7 II
Mozilla/5.0 (Linux; U; Android 4.1.2; es-co; LG-P659H Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 P659H
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z995 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 Z995
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z995 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.46.234;] Android 4 Z995
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z995 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.34.234;] Android 4 Z995
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z740G Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.46.234;] Android 4 Z740G
Mozilla/5.0 (Linux; U; Android 4.1.1; en-us; ZTE-Z992 Build/JRO03C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 Avail 2
Mozilla/5.0 (Linux; U; Android 4.1.1; en-us; Prism II Build/HuaweiU8686) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 U8686
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/37.0.0.48.234;] 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/37.0.0.46.234;] Android 4 US730
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; LG-SU870 Build/IMM76L) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 SU870
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/37.0.0.48.234;] Android 4 M868
Mozilla/5.0 (Linux; U; Android 4.0.3; en-ca; HTC EVO 3D X515a Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/37.0.0.48.234;] Android 4 EVO 3D X515a