Latest Facebook 318 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ZTE Blade L8 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Blade L8
Mozilla/5.0 (Linux; Android 9; ZTE Blade A5 2020 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Blade A5 (2020)
Mozilla/5.0 (Linux; Android 9; ZTE Blade A5 2019 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Blade A5 (2019)
Mozilla/5.0 (Linux; Android 9; ZTE Blade A3 Lite Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Blade A3 Lite
Mozilla/5.0 (Linux; Android 9; X19 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 X19
Mozilla/5.0 (Linux; Android 9; WP5 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 WP5
Mozilla/5.0 (Linux; Android 9; W-V720-EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] 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/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 P10
Mozilla/5.0 (Linux; Android 9; vivo Z1 Build/PKQ1.180819.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/102.0.5005.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Z1
Mozilla/5.0 (Linux; Android 9; vivo 1727 Build/PKQ1.190118.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 V9 Youth
Mozilla/5.0 (Linux; Android 9; V1934A Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Y5s
Mozilla/5.0 (Linux; Android 9; U693CL Build/U693CL_01.02.05; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 UMX U693CL
Mozilla/5.0 (Linux; Android 9; TECNO CB7 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Camon i4
Mozilla/5.0 (Linux; Android 9; TECNO BB4k Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Spark 4 Lite
Mozilla/5.0 (Linux; Android 9; Spark Plus 3 Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/104.0.5112.69 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Plus 3
Mozilla/5.0 (Linux; Android 9; SM-J400F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Galaxy J4
Mozilla/5.0 (Linux; Android 9; SM-J330F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Galaxy J3 (2017)
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-G889YB Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.210 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Galaxy Xcover FieldPro
Mozilla/5.0 (Linux; Android 9; SM-A105FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/318.0.0.39.154;] Android 9 Galaxy A10