Latest Facebook 337 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7 2019 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Blade A7 (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/74.0.3729.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Blade A3 Lite
Mozilla/5.0 (Linux; Android 9; Z6621O Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/103.0.5060.70 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Optus X Vista
Mozilla/5.0 (Linux; Android 9; W-V800-TIM Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 View 3 Lite
Mozilla/5.0 (Linux; Android 9; W-V720-EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Y80
Mozilla/5.0 (Linux; Android 9; vivo 1916 Build/PKQ1.190626.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 U10
Mozilla/5.0 (Linux; Android 9; vivo 1902 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/98.0.4758.101 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Y17
Mozilla/5.0 (Linux; Android 9; VFD 630 Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Smart N10
Mozilla/5.0 (Linux; Android 9; Ulefone_S11 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 S11
Mozilla/5.0 (Linux; Android 9; Star_Mix_2 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Star Mix 2
Mozilla/5.0 (Linux; Android 9; SM-N950F Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] 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/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Galaxy J8
Mozilla/5.0 (Linux; Android 9; SM-J701MT Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.50 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Galaxy J7 Core
Mozilla/5.0 (Linux; Android 9; SM-J530G Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.50 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Galaxy J5 Pro (2017)
Mozilla/5.0 (Linux; Android 9; SM-J337R4 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Galaxy J3 Aura
Mozilla/5.0 (Linux; Android 9; SM-J337R4 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] 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/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] 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/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Galaxy S8
Mozilla/5.0 (Linux; Android 9; SM-G889A Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Galaxy Xcover FieldPro
Mozilla/5.0 (Linux; Android 9; SM-G611MT Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/337.0.0.32.118;] Android 9 Galaxy J7 Prime 2