Latest Facebook 115 user agents:

User Agent Platform Device
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/115.0.0.20.72;] Android 4 Z669
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/115.0.0.20.72;] Android 4 Z995
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/115.0.0.20.72;] Android 4 0P6A1
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/115.0.0.20.72;] Android 4 US730
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/115.0.0.20.72;] Android 4 H868C
Mozilla/5.0 (Linux; U; Android 4.0.3; en-ca; HTC-X710a Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 4 X710a
Mozilla/5.0 (Linux; Android 6.0; LG-H340n Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/56.0.2924.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 6 Leon
Mozilla/5.0 (Linux; Android 5.1; VF-696 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Smart Grand 6
Mozilla/5.0 (Linux; Android 5.1; STARTRAIL7 Build/LMY47D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 StarTrail 7
Mozilla/5.0 (Linux; Android 5.1.1; SM-J500FN Build/LMY48B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Galaxy J5 (2015)
Mozilla/5.0 (Linux; Android 5.1.1; SM-J500FN Build/LMY48B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/43.0.2357.121 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Galaxy J5 (2015)
Mozilla/5.0 (Linux; Android 5.1.1; LG-H445 Build/LMY47V; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Escape 2
Mozilla/5.0 (Linux; Android 5.1.1; HUAWEI SCL-L01 Build/HuaweiSCL-L01) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Y6
Mozilla/5.0 (Linux; Android 5.0.2; SM-T530NU Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Galaxy Tab 4 10.1" WiFi
Mozilla/5.0 (Linux; Android 5.0.2; SM-G530FZ Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Galaxy Grand Prime
Mozilla/5.0 (Linux; Android 5.0.2; SM-G360F Build/LRX22G; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 5 Galaxy Core Prime
Mozilla/5.0 (Linux; Android 4.4.2; MEO Smart A40 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 4 MEO Smart A40
Mozilla/5.0 (Linux; Android 4.4.2; LG-D722J Build/KOT49I.D722J10d) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 4 G3 Beat
Mozilla/5.0 (Linux; Android 4.4.2; CHC-U03 Build/HuaweiCHC-U03) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/115.0.0.20.72;] Android 4 G Play Mini