Latest Facebook 511 user agents:

User Agent Platform Device
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1];FBNV/1 iOS 26 iPhone 15
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1];FBNV/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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/26.5;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 26 iPhone 16 Plus
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone17,5;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 26 iPhone 16e
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/732548456;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (iPad; CPU OS 15_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/19D52 [FBAN/FBIOS;FBAV/511.0.0.38.96;FBBV/727668296;FBDV/iPad11,6;FBMD/iPad;FBSN/iPadOS;FBSV/15.3.1;FBSS/2;FBID/tablet;FBLC/en_GB;FBOP/5;FBRV/732548456] iPadOS 15 iPad 8 10.2"
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7_9 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H355 [FBAN/FBIOS;FBAV/511.0.0.38.96;FBBV/727668296;FBDV/iPhone11,6;FBMD/iPhone;FBSN/iOS;FBSV/18.7.9;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 18 iPhone XS 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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone14,6;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/2;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/732548456;IABMV/1] iOS 18 iPhone SE (2022)
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone15,5;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/732548456;IABMV/1] iOS 26 iPhone 15 Plus
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone16,2;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/en_Qaau_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 18 iPhone 15 Pro Max
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 26 iPhone 13 Pro Max
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone14,8;FBMD/iPhone;FBSN/iOS;FBSV/18.3.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 18 iPhone 14 Plus
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone18,2;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 26 iPhone 17 Pro Max
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone13,1;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/732548456;IABMV/1] iOS 18 iPhone 12 Mini
Mozilla/5.0 (Linux; Android 14; SM-S928B Build/UP1A.231005.007) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/136.0.7103.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/511.0.0.48.109;] Android 14 Galaxy S24 Ultra
Mozilla/5.0 (iPhone; CPU iPhone OS 15_8_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/19H386 [FBAN/FBIOS;FBAV/511.0.0.38.96;FBBV/727668296;FBDV/iPhone9,1;FBMD/iPhone;FBSN/iOS;FBSV/15.8.3;FBSS/2;FBID/phone;FBLC/ru_RU;FBOP/5;FBRV/732548456;IABMV/1] iOS 15 iPhone 7
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/zh_Qaau_TW;FBOP/5;FBRV/732548456;IABMV/1] iOS 18 iPhone 13 Pro Max
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/18.7.8;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 18 iPhone 15
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/511.0.0.38.96;FBBV/727668296;FBDV/iPhone17,3;FBMD/iPhone;FBSN/iOS;FBSV/26.4.2;FBSS/3;FBID/phone;FBLC/en_Qaau_US;FBOP/5;FBRV/732548456;IABMV/1] iOS 26 iPhone 16
Mozilla/5.0 (Linux; Android 14; SM-S928B Build/UP1A.231005.007) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/136.0.7103.125 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/511.0.0.48.109;] Android 14 Galaxy S24 Ultra