Latest Facebook 521 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22D82 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone12,8;FBMD/iPhone;FBSN/iOS;FBSV/18.3.2;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 18 iPhone SE (2020)
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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1];FBNV/1 iOS 18 iPhone 15
Mozilla/5.0 (iPhone; CPU iPhone OS 16_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20D67 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone12,3;FBMD/iPhone;FBSN/iOS;FBSV/16.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 16 iPhone 11 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 16_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20D67 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone12,3;FBMD/iPhone;FBSN/iOS;FBSV/16.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 16 iPhone 11 Pro
Mozilla/5.0 (iPad; CPU OS 17_7_11 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21H461 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPad7,5;FBMD/iPad;FBSN/iPadOS;FBSV/17.7.11;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/764780440] iPadOS 17 iPad 6 9.7
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G100 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone13,1;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/764780440;IABMV/1] iOS 18 iPhone 12 Mini
Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20G81 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone14,4;FBMD/iPhone;FBSN/iOS;FBSV/16.6.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/764780440;IABMV/1] iOS 16 iPhone 13 Mini
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G100 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1];FBNV/1 iOS 18 iPhone 13 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G100 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 18 iPhone 13 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23E254 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/26.4.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 26 iPhone 15
Mozilla/5.0 (iPhone; CPU iPhone OS 26_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23D125 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/2;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/764780440;IABMV/1] iOS 26 iPhone 11
Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20G81 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone14,4;FBMD/iPhone;FBSN/iOS;FBSV/16.6.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/764780440;IABMV/1] iOS 16 iPhone 13 Mini
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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone18,2;FBMD/iPhone;FBSN/iOS;FBSV/26.5.1;FBSS/3;FBID/phone;FBLC/da_DK;FBOP/5;FBRV/764780440;IABMV/1] iOS 26 iPhone 17 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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone18,3;FBMD/iPhone;FBSN/iOS;FBSV/26.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 26 iPhone 17
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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone14,8;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/en_Qaau_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 18 iPhone 14 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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone10,4;FBMD/iPhone;FBSN/iOS;FBSV/16.7.16;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 16 iPhone 8
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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone10,4;FBMD/iPhone;FBSN/iOS;FBSV/16.7.16;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 16 iPhone 8
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H340 [FBAN/FBIOS;FBAV/521.0.0.38.98;FBBV/760232234;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/18.7.7;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 18 iPhone 14
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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone15,5;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 26 iPhone 15 Plus
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/521.0.0.38.98;FBBV/760232234;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/18.6;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/764780440;IABMV/1] iOS 18 iPhone 16 Plus