Latest Facebook 156 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 8.1.0; Nexus 5X Build/OPM3.171019.013; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.123 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 8 Nexus 5X
Mozilla/5.0 (Linux; Android 8.0.0; TA-1004 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/156.0.0.14.100;] Android 8 8
Mozilla/5.0 (Linux; Android 8.0.0; ONEPLUS A5010 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/156.0.0.22.100;] Android 8 5T
Mozilla/5.0 (Linux; Android 8.0.0; HTC 10 Build/OPR1.170623.027; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/63.0.3239.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 8 10
Mozilla/5.0 (Linux; Android 7.1.2; View Prime Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 View Prime
Mozilla/5.0 (Linux; Android 7.1.2; View Prime 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/156.0.0.30.100;] Android 7 View Prime
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/156.0.0.36.100;] Android 7 5
Mozilla/5.0 (Linux; Android 7.1.2; TA-1021 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 6
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/65.0.3325.109 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Redmi 4X
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/156.0.0.9.100;] Android 7 Redmi 4X
Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4A Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.123 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Redmi 4A
Mozilla/5.0 (Linux; Android 7.1.2; Nexus 4 Build/NJH47F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.78 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Nexus 4
Mozilla/5.0 (Linux; Android 7.1.2; LG-VK810 Build/NJH47F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.123 Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 VK810
Mozilla/5.0 (Linux; Android 7.1.2; eSTAR BEAUTY 2 HD Quad core Build/895; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Beauty 2 HD Quad Core
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris X5 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.123 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Aquaris X5
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris V Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.123 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Aquaris V
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/156.0.0.36.100;] 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/64.0.3282.123 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Aquaris U2
Mozilla/5.0 (Linux; Android 7.1.2; Aquaris M5 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/156.0.0.36.100;] Android 7 Aquaris M5
Mozilla/5.0 (Linux; Android 7.1.1; ZTE Blade A522 Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.123 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/156.0.0.36.100;] Android 7 Blade A522