Latest Facebook 159 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 8.1.0; TA-1021 Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 8 6
Mozilla/5.0 (Linux; Android 8.0.0; TA-1053 Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 8 5
Mozilla/5.0 (Linux; Android 8.0.0; TA-1021 Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 8 6
Mozilla/5.0 (Linux; Android 8.0.0; ONEPLUS A3003 Build/OPR6.170623.013; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 8 3
Mozilla/5.0 (Linux; Android 8.0.0; Mi A1 Build/OPR1.170623.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 8 Mi A1
Mozilla/5.0 (Linux; Android 8.0.0; HTC U11 Build/OPR6.170623.013; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 8 U11
Mozilla/5.0 (Linux; Android 7.1.2; TA-1024 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 5
Mozilla/5.0 (Linux; Android 7.1.2; Redmi Note 5A Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Redmi Note 5A
Mozilla/5.0 (Linux; Android 7.1.2; Redmi Note 5A Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Redmi Note 5A
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Redmi 4X
Mozilla/5.0 (Linux; Android 7.1.2; M bot Tab 103 Build/NHG47K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 M BOT Tab 103
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris U2 Lite Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Aquaris U2 Lite
Mozilla/5.0 (Linux; Android 7.1.1; ZE553KL Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 ZenFone 3 Zoom
Mozilla/5.0 (Linux; Android 7.1.1; WIM Lite Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 WIM Lite
Mozilla/5.0 (Linux; Android 7.1.1; WIM Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 WIM
Mozilla/5.0 (Linux; Android 7.1.1; VFD 710 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Smart V8
Mozilla/5.0 (Linux; Android 7.1.1; VFD 710 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Smart V8
Mozilla/5.0 (Linux; Android 7.1.1; VFD 510 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Smart E8
Mozilla/5.0 (Linux; Android 7.1.1; VFD 510 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Smart E8
Mozilla/5.0 (Linux; Android 7.1.1; TOMMY2 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/159.0.0.38.95;] Android 7 Tommy 2