Latest Facebook 550 user agents:

User Agent Platform Device
Mozilla/5.0 (iPad; CPU OS 26_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C71 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPad14,11;FBMD/iPad;FBSN/iPadOS;FBSV/26.2.1;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/893494926;IABMV/1] iPadOS 26 iPad Air 7 13"
Mozilla/5.0 (iPad; CPU OS 17_7_10 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21H450 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPad7,5;FBMD/iPad;FBSN/iPadOS;FBSV/17.7.10;FBSS/2;FBID/tablet;FBLC/en_GB;FBOP/5;FBRV/900736983;IABMV/1] iPadOS 17 iPad 6 9.7
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22F76 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone16,1;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/900736983;IABMV/1];FBNV/1 iOS 18 iPhone 15 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20G81 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/16.6.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/900736983;IABMV/1] iOS 16 iPhone 12
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/550.0.0.34.65;FBBV/890804754;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.4;FBSS/3;FBID/phone;FBLC/es_LA;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21F90 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone13,4;FBMD/iPhone;FBSN/iOS;FBSV/17.5.1;FBSS/3;FBID/phone;FBLC/es_LA;FBOP/5;FBRV/900736983;IABMV/1] iOS 17 iPhone 12 Pro Max
Mozilla/5.0 (iPad; CPU OS 26_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23A341 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPad14,1;FBMD/iPad;FBSN/iPadOS;FBSV/26.0;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/894334758;IABMV/1] iPadOS 26 iPad Mini 6 WiFi
Mozilla/5.0 (iPhone; CPU iPhone OS 26_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23D127 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone18,3;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 17
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G100 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone12,5;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/900736983;IABMV/1] iOS 18 iPhone 11 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23D8133 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/901087904;IABMV/1] iOS 26 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 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/es_LA;FBOP/5;FBRV/900736983;IABMV/1] iOS 18 iPhone 13 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23E5207q Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone17,5;FBMD/iPhone;FBSN/iOS;FBSV/26.4;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 16e
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H311 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone11,8;FBMD/iPhone;FBSN/iOS;FBSV/18.7.5;FBSS/2;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/900736983;IABMV/1] iOS 18 iPhone XR
Mozilla/5.0 (iPhone; CPU iPhone OS 26_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23B85 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone15,5;FBMD/iPhone;FBSN/iOS;FBSV/26.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/894424164;IABMV/1] iOS 26 iPhone 15 Plus
Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G100 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone17,5;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/900736983;IABMV/1] iOS 18 iPhone 16e
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/550.0.0.34.65;FBBV/890804754;FBDV/iPhone17,5;FBMD/iPhone;FBSN/iOS;FBSV/26.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/894424164;IABMV/1] iOS 26 iPhone 16e
Mozilla/5.0 (iPhone; CPU iPhone OS 17_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21E236 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/17.4.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/900736983;IABMV/1] iOS 17 iPhone 12
Mozilla/5.0 (iPad; CPU OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G100 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPad12,1;FBMD/iPad;FBSN/iPadOS;FBSV/18.6.2;FBSS/2;FBID/tablet;FBLC/en_GB;FBOP/5;FBRV/900736983;IABMV/1] iPadOS 18 iPad 9 10.2" WiFi
Mozilla/5.0 (iPad; CPU OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22G100 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPad13,18;FBMD/iPad;FBSN/iPadOS;FBSV/18.6.2;FBSS/2;FBID/tablet;FBLC/it_IT;FBOP/5;FBRV/900736983;IABMV/1] iPadOS 18 iPad 10 10.9" WiFi
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22F76 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone14,8;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/900736983;IABMV/1] iOS 18 iPhone 14 Plus