Latest Facebook 551 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H352 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone14,2;FBMD/iPhone;FBSN/iOS;FBSV/18.7.8;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/906413714;IABMV/1] iOS 18 iPhone 13 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/19G82 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/15.6.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 15 iPhone 12
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C55 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone14,6;FBMD/iPhone;FBSN/iOS;FBSV/26.2;FBSS/2;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone SE (2022)
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone12,8;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/2;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone SE (2020)
Mozilla/5.0 (iPhone; CPU iPhone OS 18_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22C161 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone17,2;FBMD/iPhone;FBSN/iOS;FBSV/18.2.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/906413714;IABMV/1] iOS 18 iPhone 16 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23E246 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone18,1;FBMD/iPhone;FBSN/iOS;FBSV/26.4;FBSS/3;FBID/phone;FBLC/en_Qaau_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone 17 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone17,1;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_Qaau_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone 16 Pro
Mozilla/5.0 (Linux; Android 15; RMX3945 Build/AP3A.240617.008; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/551.1.0.58.63;IABMV/1;] Android 15 C73 5G
Mozilla/5.0 (Linux; Android 10; CPH2185 Build/QP1A.190711.020) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/551.0.0.34.63;IABMV/1;] Android 10 A15
Mozilla/5.0 (Linux; Android 10; CPH2185 Build/QP1A.190711.020) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.157 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/551.0.0.34.63;IABMV/1;] FBNV/500 Android 10 A15
Mozilla/5.0 (iPad; CPU OS 16_7_10 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20H350 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPad6,11;FBMD/iPad;FBSN/iPadOS;FBSV/16.7.10;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/906413714;IABMV/1] iPadOS 16 iPad 5 9.7
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone14,4;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/vi_VN;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone 13 Mini
Mozilla/5.0 (iPad; CPU OS 16_7_16 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20H392 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPad6,11;FBMD/iPad;FBSN/iPadOS;FBSV/16.7.16;FBSS/2;FBID/tablet;FBLC/en_GB;FBOP/5;FBRV/906413714;IABMV/1] iPadOS 16 iPad 5 9.7
Mozilla/5.0 (iPhone; CPU iPhone OS 16_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20E252 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone12,3;FBMD/iPhone;FBSN/iOS;FBSV/16.4.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 16 iPhone 11 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_Qaau_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 16_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20E252 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone12,3;FBMD/iPhone;FBSN/iOS;FBSV/16.4.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 16 iPhone 11 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone12,3;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/906413714;IABMV/1] iOS 26 iPhone 11 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 16_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20E252 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/16.4.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/906413714;IABMV/1] iOS 16 iPhone 12
Mozilla/5.0 (iPad; CPU OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 Safari/604.1 [FBAN/FBIOS;FBAV/551.1.0.46.67;FBBV/899660416;FBDV/iPad13,6;FBMD/iPad;FBSN/iPadOS;FBSV/26.5;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/906413714;IABMV/1] iPadOS 26 iPad Pro 3 11"