Latest Facebook 499 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 10; GM1925 Build/QKQ1.190716.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;] Android 10 7T Pro 5G
Mozilla/5.0 (Linux; Android 9; Infinix X650C Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;] Android 9 Hot 8
Mozilla/5.0 (iPhone; CPU iPhone OS 26_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23D8133 [FBAN/FBIOS;FBAV/499.0.0.53.105;FBBV/693867054;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/2;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/697301994;IABMV/1] iOS 26 iPhone 11
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G86 [FBAN/FBIOS;FBAV/499.0.0.53.105;FBBV/693867054;FBDV/iPhone17,5;FBMD/iPhone;FBSN/iOS;FBSV/18.6;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/697301994;IABMV/1] iOS 18 iPhone 16e
Mozilla/5.0 (Linux; Android 13; Infinix X6831 Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.122 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;] Android 13 Hot 30
Mozilla/5.0 (Linux; Android 9; ZTE Blade A7s Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 Blade A7s
Mozilla/5.0 (Linux; Android 9; vivo X21A Build/PKQ1.180819.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/134.0.6998.108 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.56.109;] Android 9 X21A
Mozilla/5.0 (Linux; Android 9; V1945A Build/PKQ1.190626.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 Y9s
Mozilla/5.0 (Linux; Android 9; UMIDIGI X Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 X
Mozilla/5.0 (Linux; Android 9; U70B 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/499.0.0.31.60;] Android 9 U70B
Mozilla/5.0 (Linux; Android 9; U70B Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] FBNV/5 Android 9 U70B
Mozilla/5.0 (Linux; Android 9; U70B Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 U70B
Mozilla/5.0 (Linux; Android 9; Trekker-X4 Build/PKQ1.190414.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] FBNV/5 Android 9 Trekker-X4
Mozilla/5.0 (Linux; Android 9; Trekker-X4 Build/PKQ1.190414.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 Trekker-X4
Mozilla/5.0 (Linux; Android 9; T30_EEA Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 T30
Mozilla/5.0 (Linux; Android 9; SMART_L103_eea Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 Smart L103
Mozilla/5.0 (Linux; Android 9; SM-T837R4 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 Galaxy Tab S4 10.5" WiFi
Mozilla/5.0 (Linux; Android 9; SM-T827V Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 Galaxy Tab S3 9.7" LTE
Mozilla/5.0 (Linux; Android 9; SM-T825Y Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] FBNV/5 Android 9 Galaxy Tab S3 9.7" LTE
Mozilla/5.0 (Linux; Android 9; SM-T825Y Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.46 Safari/537.36 [FB_IAB/FB4A;FBAV/499.0.0.31.60;IABMV/1;] Android 9 Galaxy Tab S3 9.7" LTE