Latest Facebook 351 user agents:

User Agent Platform Device
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/351.0.0.38.117;] Android 9 Blade A7
Mozilla/5.0 (Linux; Android 9; X19 S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 X19 S
Mozilla/5.0 (Linux; Android 9; W-P611-EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.118 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 View 3 Pro
Mozilla/5.0 (Linux; Android 9; W-P611-EEA 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/351.0.0.38.117;] 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/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 2010
Mozilla/5.0 (Linux; Android 9; vivo 2010 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/351.0.0.38.117;] Android 9 2010
Mozilla/5.0 (Linux; Android 9; vivo 1921 Build/PKQ1.190302.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 U20
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/351.0.0.38.117;] Android 9 Y5s
Mozilla/5.0 (Linux; Android 9; ULTRAMINTT Y3 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.93 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 UltraMintt Y3
Mozilla/5.0 (Linux; Android 9; TECNO BB4k Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] 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/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Plus 3
Mozilla/5.0 (Linux; Android 9; SM-N950U Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy Note 8
Mozilla/5.0 (Linux; Android 9; SM-J730F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy J7 Pro
Mozilla/5.0 (Linux; Android 9; SM-J337R4 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/100.0.4896.79 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy J3 Aura
Mozilla/5.0 (Linux; Android 9; SM-J330FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy J3 (2017)
Mozilla/5.0 (Linux; Android 9; SM-J260AZ Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy J2 Pure
Mozilla/5.0 (Linux; Android 9; SM-G973F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy S10
Mozilla/5.0 (Linux; Android 9; SM-G950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-A105FN Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/351.0.0.38.117;] Android 9 Galaxy A10