Latest Facebook 154 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 8.0.0; ONEPLUS A3010 Build/OPR6.170623.013; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 8 3T
Mozilla/5.0 (Linux; Android 8.0.0; F8331 Build/41.3.A.2.24; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 8 Xperia XZ
Mozilla/5.0 (Linux; Android 7.1.2; ZUK Z2121 Build/N2G47E; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/55.0.2883.105 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 7 ZUK Z2 Pro
Mozilla/5.0 (Linux; Android 7.1.2; View XL Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 7 View XL
Mozilla/5.0 (Linux; Android 7.1.2; TA-1053 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/154.0.0.33.385;] Android 7 5
Mozilla/5.0 (Linux; Android 7.1.2; TA-1053 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.29.385;] 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/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.29.385;] 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/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] 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/63.0.3239.111 Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 7 M BOT Tab 103
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris V Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 7 Aquaris V
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris U2 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 7 Aquaris U2
Mozilla/5.0 (Linux; Android 7.1.1; ZTE Blade A522 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/56.0.2924.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 7 Blade A522
Mozilla/5.0 (Linux; Android 7.1.1; XT1635-02 Build/NPNS26.118-22-2-12; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] Android 7 Moto Z Play
Mozilla/5.0 (Linux; Android 7.1.1; WIM Lite 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/154.0.0.33.385;] 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/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] 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/56.0.2924.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] 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/154.0.0.33.385;] 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/63.0.3239.83 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/154.0.0.33.385;] 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/154.0.0.33.385;] 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/154.0.0.29.385;] Android 7 Smart E8