Latest Facebook 135 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 4.2.2; es-us; ZTE Blade L2 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 MMS/ZTE-Android-MMS-V2.0 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 4 Blade L2
Mozilla/5.0 (Linux; U; Android 4.1.2; en-ca; LG-E971 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 4 E971
Mozilla/5.0 (Linux; U; Android 4.0.4; en-us; HUAWEI-M931 Build/HuaweiM931) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 4 M931
Mozilla/5.0 (Linux; U; Android 4.0.3; en-ca; LG-E617G Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 4 E617G
Mozilla/5.0 (Linux; Android 7.0; STARNAUTE4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 7 StarNaute 4
Mozilla/5.0 (Linux; Android 7.0; SM-G950F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 7 Galaxy S8
Mozilla/5.0 (Linux; Android 7.0; JERRY2 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 7 Jerry 2
Mozilla/5.0 (Linux; Android 6.0; XT1069 Build/MPB24.65-34-3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Moto G
Mozilla/5.0 (Linux; Android 6.0; XT1063 Build/MPB24.65-34-3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.100 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Moto G2
Mozilla/5.0 (Linux; Android 6.0; VFD 700 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Smart Ultra 7
Mozilla/5.0 (Linux; Android 6.0; VFD 300 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/49.0.2623.105 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Smart Mini 7
Mozilla/5.0 (Linux; Android 6.0; T06 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Liquid Zest
Mozilla/5.0 (Linux; Android 6.0; STARTRAIL 8 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 StarTrail 8
Mozilla/5.0 (Linux; Android 6.0; ROBBY Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Robby
Mozilla/5.0 (Linux; Android 6.0; LG-K430 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 K10
Mozilla/5.0 (Linux; Android 6.0; LG-H815 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 G4
Mozilla/5.0 (Linux; Android 6.0; JERRY Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Jerry
Mozilla/5.0 (Linux; Android 6.0; JERRY Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 Jerry
Mozilla/5.0 (Linux; Android 6.0; BLL-L22 Build/HUAWEIBLL-L22; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/59.0.3071.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 GR5 (2017)
Mozilla/5.0 (Linux; Android 6.0; 4034X Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/50.0.2661.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/135.0.0.22.90;] Android 6 One Touch Pixi 4 4"