Latest Facebook 509 user agents:

User Agent Platform Device
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 13
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 16 Plus
Mozilla/5.0 (Linux; Android 12; M2101K7AI Build/SKQ1.210908.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/509.0.0.67.28;IABMV/1;] Android 12 Redmi Note 10
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22F76 [FBAN/FBIOS;FBAV/509.0.0.52.94;FBBV/721998097;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/vi_VN;FBOP/5;FBRV/726005937;IABMV/1] iOS 18 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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/726335333;IABMV/1] iOS 26 iPhone 11
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/726005937;IABMV/1];FBNV/1 iOS 26 iPhone 16 Plus
Mozilla/5.0 (iPad; CPU OS 26_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23F77 [FBAN/FBIOS;FBAV/509.0.0.52.94;FBBV/721998097;FBDV/iPad11,6;FBMD/iPad;FBSN/iPadOS;FBSV/26.5;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/726005937] iPadOS 26 iPad 8 10.2"
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone18,2;FBMD/iPhone;FBSN/iOS;FBSV/26.5.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/726005937;IABMV/1];FBNV/1 iOS 26 iPhone 17 Pro Max
Mozilla/5.0 (Linux; Android 13; 220333QBI Build/TKQ1.221114.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.159 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/509.0.0.67.28;IABMV/1;] Android 13 Redmi 10 Power
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/509.0.0.52.94;FBBV/721998097;FBDV/iPad7,5;FBMD/iPad;FBSN/iPadOS;FBSV/17.7.10;FBSS/2;FBID/tablet;FBLC/en_GB;FBOP/5;FBRV/726005937] iPadOS 17 iPad 6 9.7
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7_8 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H352 [FBAN/FBIOS;FBAV/509.0.0.52.94;FBBV/721998097;FBDV/iPhone11,6;FBMD/iPhone;FBSN/iOS;FBSV/18.7.8;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/726005937;IABMV/1] iOS 18 iPhone XS 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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone16,2;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 15 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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 16 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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/2;FBID/phone;FBLC/vi_VN;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 11
Mozilla/5.0 (iPhone; CPU iPhone OS 15_7_8 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/19H364 [FBAN/FBIOS;FBAV/509.0.0.52.94;FBBV/721998097;FBDV/iPhone9,3;FBMD/iPhone;FBSN/iOS;FBSV/15.7.8;FBSS/2;FBID/phone;FBLC/tr_TR;FBOP/5;FBRV/726005937;IABMV/1] iOS 15 iPhone 7
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone14,2;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 13 Pro
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone17,1;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 16 Pro
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/509.0.0.52.94;FBBV/721998097;FBDV/iPhone18,3;FBMD/iPhone;FBSN/iOS;FBSV/26.5.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/726005937;IABMV/1] iOS 26 iPhone 17
Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21F90 [FBAN/FBIOS;FBAV/509.0.0.52.94;FBBV/721998097;FBDV/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/17.5.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/726005937;IABMV/1] iOS 17 iPhone 13