Latest Facebook 544 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU iPhone OS 26_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23A330 Safari/604.1 [FBAN/FBIOS;FBAV/544.0.0.32.278;FBBV/860466667;FBDV/iPhone18,3;FBMD/iPhone;FBSN/iOS;FBSV/26.0;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/868588164;IABMV/1];FBNV/1 iOS 26 iPhone 17
Mozilla/5.0 (iPhone; CPU iPhone OS 26_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23A330 Safari/604.1 [FBAN/FBIOS;FBAV/544.0.0.32.278;FBBV/860466667;FBDV/iPhone18,3;FBMD/iPhone;FBSN/iOS;FBSV/26.0;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/868588164;IABMV/1] iOS 26 iPhone 17
Mozilla/5.0 (Linux; Android 13; CPH2333 Build/TP1A.220905.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 A96
Mozilla/5.0 (Linux; Android 13; IN2013 Build/RKQ1.211119.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 8
Mozilla/5.0 (Linux; Android 12; Nokia 3.2 Build/RKQ1.200928.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 3.2
Mozilla/5.0 (Linux; Android 12; SM-A025F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 Galaxy A02s
Mozilla/5.0 (Linux; Android 13; SM-G988B Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 Galaxy S20 Ultra 5G
Mozilla/5.0 (Linux; Android 12; M2102K1G Build/SKQ1.211006.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 Mi 11 Ultra
Mozilla/5.0 (Linux; Android 13; SM-A736B Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 Galaxy A73 5G
Mozilla/5.0 (Linux; Android 13; CPH2461 Build/TP1A.220905.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 F21s Pro
Mozilla/5.0 (Linux; Android 13; M2102J20SG Build/TKQ1.221013.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 X3 Pro
Mozilla/5.0 (Linux; Android 12; SM-G975F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 Galaxy S10+
Mozilla/5.0 (Linux; Android 13; RMX3561 Build/TP1A.220905.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 GT Neo 3
Mozilla/5.0 (Linux; Android 13; SM-A516B Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 Galaxy A51 5G
Mozilla/5.0 (Linux; Android 13; RMX3241 Build/TP1A.220905.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 13 8 5G
Mozilla/5.0 (iPhone; CPU iPhone OS 26_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23E5207q Safari/604.1 [FBAN/FBIOS;FBAV/544.0.0.32.278;FBBV/860466667;FBDV/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/26.4;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/868588164;IABMV/1] iOS 26 iPhone 13
Mozilla/5.0 (Linux; Android 12; moto g(50) Build/S1RFS32.27-25-3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 Moto G50
Mozilla/5.0 (Linux; Android 12; M2007J3SY Build/SKQ1.220213.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 Mi 10T 5G
Mozilla/5.0 (Linux; Android 12; XQ-AU51 Build/59.2.A.0.463; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 Xperia 10 II
Mozilla/5.0 (Linux; Android 12; moto g(8) Build/RPJS31.Q4U-47-35-6; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.168 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/544.0.0.42.272;] Android 12 Moto G8