Latest Facebook 331 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ZT216_1 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.79 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 ZT216
Mozilla/5.0 (Linux; Android 9; Z6201V 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/331.1.0.29.117;] Android 9 Blade A7
Mozilla/5.0 (Linux; Android 9; W-V720-EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Y80
Mozilla/5.0 (Linux; Android 9; W-P611-OPE Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 View 3 Pro
Mozilla/5.0 (Linux; Android 9; vivo 2010 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.115 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 2010
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/331.1.0.29.117;] Android 9 V9 Youth
Mozilla/5.0 (Linux; Android 9; V1930A Build/PKQ1.190616.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/114.0.5735.57 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Y3 Standard
Mozilla/5.0 (Linux; Android 9; Ulefone_S11 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.79 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 S11
Mozilla/5.0 (Linux; Android 9; Ulefone_S11 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/105.0.5195.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 S11
Mozilla/5.0 (Linux; Android 9; TECNO LC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; Android 9; TECNO KC8 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/84.0.4147.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Spark 4
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-J810M Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Galaxy J8
Mozilla/5.0 (Linux; Android 9; SM-J730G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.0.0.19.117;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; SM-J730G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.0.0.13.117;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; SM-J600G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Galaxy J6
Mozilla/5.0 (Linux; Android 9; SM-J530G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Galaxy J5 Pro (2017)
Mozilla/5.0 (Linux; Android 9; SM-J400F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Galaxy J4
Mozilla/5.0 (Linux; Android 9; SM-J260AZ Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Galaxy J2 Pure
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.131 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/331.1.0.29.117;] Android 9 Galaxy S8