Latest Facebook 512 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU iPhone OS 18_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22C152 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/18.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/735898231;IABMV/1] iOS 18 iPhone 15
Mozilla/5.0 (iPhone; CPU iPhone OS 18_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22E252 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone11,2;FBMD/iPhone;FBSN/iOS;FBSV/18.4.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/735898231;IABMV/1] iOS 18 iPhone XS
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C71 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/735898231;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 26_4_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23E261 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/735898231;IABMV/1] iOS 26 iPhone 13
Mozilla/5.0 (iPhone; CPU iPhone OS 18_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22C152 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone15,5;FBMD/iPhone;FBSN/iOS;FBSV/18.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/735898231;IABMV/1] iOS 18 iPhone 15 Plus
Mozilla/5.0 (iPhone; CPU iPhone OS 16_7_16 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20H392 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone10,5;FBMD/iPhone;FBSN/iOS;FBSV/16.7.16;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/735898231;IABMV/1] iOS 16 iPhone 8 Plus
Mozilla/5.0 (iPhone; CPU iPhone OS 16_7_16 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20H392 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone10,5;FBMD/iPhone;FBSN/iOS;FBSV/16.7.16;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/735898231;IABMV/1] iOS 16 iPhone 8 Plus
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone12,5;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/735898231;IABMV/1] iOS 26 iPhone 11 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23B85 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone16,2;FBMD/iPhone;FBSN/iOS;FBSV/26.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/735898231;IABMV/1] iOS 26 iPhone 15 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23A341 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.0;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/735898231;IABMV/1] iOS 26 iPhone 11
Mozilla/5.0 (iPad; CPU OS 17_7_10 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21H450 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPad7,5;FBMD/iPad;FBSN/iPadOS;FBSV/17.7.10;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/735898231] iPadOS 17 iPad 6 9.7
Mozilla/5.0 (Linux; Android 14; Pixel 6 Pro Build/TP1A.220905.004; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/5.0 Chrome/136.0.7103.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/512.0.0.64.75;] Android 14 Pixel 6 Pro
Mozilla/5.0 (Linux; Android 14; SM-G770F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/5.0 Chrome/136.0.7103.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/512.0.0.64.75;] Android 14 Galaxy S10 Lite
Mozilla/5.0 (Linux; Android 14; SM-A736B Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/5.0 Chrome/136.0.7103.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/512.0.0.64.75;] Android 14 Galaxy A73 5G
Mozilla/5.0 (Linux; Android 13; SM-N985F Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/5.0 Chrome/136.0.7103.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/512.0.0.64.75;] Android 13 Galaxy Note 20 Ultra
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/sv_SE;FBOP/5;FBRV/735898231;IABMV/1];FBNV/1 iOS 26 iPhone 13 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/sv_SE;FBOP/5;FBRV/735898231;IABMV/1] iOS 26 iPhone 13 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X; pl_PL) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 FBAN/FBIOS;FBAV/512.0.0.45.108;FBBV/712345678;FBDV/iPhone15,2;FBMD/iPhone;FBSN/iOS;FBSV/18.1;FBSS/3;FBID/phone;FBLC/pl_PL;FBOP/5 iOS 18 iPhone 14 Pro
Mozilla/5.0 (iPad; CPU OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPad13,16;FBMD/iPad;FBSN/iPadOS;FBSV/26.5;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/735898231] iPadOS 26 iPad Air 5 WiFi
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F81 [FBAN/FBIOS;FBAV/512.0.0.52.99;FBBV/731098301;FBDV/iPhone18,5;FBMD/iPhone;FBSN/iOS;FBSV/26.5.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/735898231;IABMV/1] iOS 26 iPhone 17e