Latest Facebook 397 user agents:

User Agent Platform Device
Well /5.0 (Linux; Android 5; Samsung Chrome 11 (3180) Build/R103-14816.131.0; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.464.442 Tokhs/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Chrome OS 14816 Chrome
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.99 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; ZTE Blade 10 Vita Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Blade 10 Vita
Mozilla/5.0 (Linux; Android 9; ZTE A2019G Pro Build/PKQ1.181203.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Axon 9 Pro
Mozilla/5.0 (Linux; Android 9; ZTE A2019G Pro Build/PKQ1.181203.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Axon 9 Pro
Mozilla/5.0 (Linux; Android 9; Z6621O Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Optus X Vista
Mozilla/5.0 (Linux; Android 9; Z6621O Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Optus X Vista
Mozilla/5.0 (Linux; Android 9; Z3351S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/110.0.5481.153 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Quest 5
Mozilla/5.0 (Linux; Android 9; YK_P30 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.85 Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 YK P30
Mozilla/5.0 (Linux; Android 9; Y9Plus Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 Y9 Plus
Mozilla/5.0 (Linux; Android 9; X7_Soul_Style Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 X7 Soul Style
Mozilla/5.0 (Linux; Android 9; X19 S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 X19 S
Mozilla/5.0 (Linux; Android 9; X19 S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/109.0.5414.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 X19 S
Mozilla/5.0 (Linux; Android 9; X19 S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] 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/109.0.5414.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] 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/109.0.5414.85 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] 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/108.0.5359.128 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/397.0.0.23.404;] Android 9 View 3 Pro