Latest Facebook 30 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.3; es-us; SM-G350L Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Galaxy Core Plus
Mozilla/5.0 (Linux; U; Android 4.3; en-us; ZTE-Z669 Build/JLS36C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Z669
Mozilla/5.0 (Linux; U; Android 4.1.2; pt-br; LG-E415f Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Optimus L1 II
Mozilla/5.0 (Linux; U; Android 4.1.2; es-us; ZTE-Z995 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Z995
Mozilla/5.0 (Linux; U; Android 4.1.2; es-cl; LG-E450j Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Optimus L5 II
Mozilla/5.0 (Linux; U; Android 4.1.2; es-ar; LG-P712 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Optimus L7 II
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; ZTE-Z998 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Z998
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/30.0.0.19.17;] Android 4 Ascend G730
Mozilla/5.0 (Linux; U; Android 4.1.2; en-us; HTC Holiday Build/JZO54K; CyanogenMod-10.0.0) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] CyanogenMod 10 Holiday
Mozilla/5.0 (Linux; U; Android 4.1.2; en-gb; LG-E460f Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Optimus L5 II
Mozilla/5.0 (Linux; U; Android 4.1.2; en-au; LG-P655K Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 P655K
Mozilla/5.0 (Linux; U; Android 4.1.1; en-us; ZTE-Z993 Build/JRO03C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 Z993
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/30.0.0.19.17;] Android 4 Avail 2
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/30.0.0.19.17;] Android 4 US730
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; LG-LW770 Build/IMM76I) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 LW770
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; LG-LU6200 Build/IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 LU6200
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/30.0.0.19.17;] Android 4 U8687
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; HUAWEI M881 Build/HuaweiM881) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 M881
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/30.0.0.19.17;] Android 4 M868
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; HUAWEI H868C Build/HuaweiH868C) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/30.0.0.19.17;] Android 4 H868C