Latest Facebook 286 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ZB602KL Build/PKQ1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 ZenFone Max Pro M1
Mozilla/5.0 (Linux; Android 9; XQ-AD52 Build/57.0.A.1.125; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Xperia L4
Mozilla/5.0 (Linux; Android 9; Xperia XZ1 Build/47.2.A.11.228; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Xperia XZ1
Mozilla/5.0 (Linux; Android 9; W-V720-EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Y80
Mozilla/5.0 (Linux; Android 9; VTR-L09 Build/HUAWEIVTR-L0901; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 P10
Mozilla/5.0 (Linux; Android 9; vivo 2007 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Y12i
Mozilla/5.0 (Linux; Android 9; vivo 2007 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Y12i
Mozilla/5.0 (Linux; Android 9; vivo 2007 Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Y12i
Mozilla/5.0 (Linux; Android 9; vivo 1904 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Y12
Mozilla/5.0 (Linux; Android 9; VIA_G4 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 VIA G4
Mozilla/5.0 (Linux; Android 9; SM-N950U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-J737R4 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy J7 (2018)
Mozilla/5.0 (Linux; Android 9; SM-J730F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.111 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; SM-G950U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-G892A Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy S8 Active
Mozilla/5.0 (Linux; Android 9; SM-G889YB Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy Xcover FieldPro
Mozilla/5.0 (Linux; Android 9; SM-A505FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.185 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy A50
Mozilla/5.0 (Linux; Android 9; SM-A405FM Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.81 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy A40
Mozilla/5.0 (Linux; Android 9; SM-A305FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.119 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy A30
Mozilla/5.0 (Linux; Android 9; SM-A105FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/286.0.0.48.112;] Android 9 Galaxy A10