Latest Facebook 523 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21B74 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone15,2;FBMD/iPhone;FBSN/iOS;FBSV/17.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/771907368;IABMV/1];FBNV/1 iOS 17 iPhone 14 Pro
Mozilla/5.0 (iPhone; CPU iPhone OS 18_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22E240 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/18.4;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1] iOS 18 iPhone 15
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C55 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.2;FBSS/2;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/771907368;IABMV/1] iOS 26 iPhone 11
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H31 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone13,4;FBMD/iPhone;FBSN/iOS;FBSV/18.7.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1] iOS 18 iPhone 12 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C55 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone15,3;FBMD/iPhone;FBSN/iOS;FBSV/26.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1] iOS 26 iPhone 14 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/523.0.0.38.95;FBBV/766554692;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/18.3.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1] iOS 18 iPhone 16 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/523.0.0.38.95;FBBV/766554692;FBDV/iPhone11,6;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/771907368;IABMV/1] iOS 18 iPhone XS Max
Mozilla/5.0 (Linux; Android 11; SM-A207F Build/RP1A.200720.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.162 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/523.0.0.39.61;IABMV/1;] FBNV/5 Android 11 Galaxy A20s
Mozilla/5.0 (iPad; CPU OS 26_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23D8133 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPad12,1;FBMD/iPad;FBSN/iPadOS;FBSV/26.3.1;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/771907368] iPadOS 26 iPad 9 10.2" WiFi
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/523.0.0.38.95;FBBV/766554692;FBDV/iPhone17,2;FBMD/iPhone;FBSN/iOS;FBSV/18.5;FBSS/3;FBID/phone;FBLC/es_LA;FBOP/5;FBRV/771907368;IABMV/1] iOS 18 iPhone 16 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 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone17,3;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/771907368;IABMV/1] iOS 26 iPhone 16
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C71 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/771907368;IABMV/1] iOS 26 iPhone 13 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C55 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone16,2;FBMD/iPhone;FBSN/iOS;FBSV/26.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1];FBNV/1 iOS 26 iPhone 15 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 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone16,2;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_Qaau_US;FBOP/5;FBRV/771907368;IABMV/1];FBNV/1 iOS 26 iPhone 15 Pro Max
Mozilla/5.0 (iPad; CPU OS 18_7_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22H340 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPad11,6;FBMD/iPad;FBSN/iPadOS;FBSV/18.7.7;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/771907368] iPadOS 18 iPad 8 10.2"
Mozilla/5.0 (iPhone; CPU iPhone OS 16_7_15 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20H380 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone10,2;FBMD/iPhone;FBSN/iOS;FBSV/16.7.15;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1] iOS 16 iPhone 8 Plus
Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22D72 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/18.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1] iOS 18 iPhone 14
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/523.0.0.38.95;FBBV/766554692;FBDV/iPhone17,2;FBMD/iPhone;FBSN/iOS;FBSV/26.4.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/771907368;IABMV/1] iOS 26 iPhone 16 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 17_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21G93 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/17.6.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/771907368;IABMV/1] iOS 17 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/19G82 [FBAN/FBIOS;FBAV/523.0.0.38.95;FBBV/766554692;FBDV/iPhone11,2;FBMD/iPhone;FBSN/iOS;FBSV/15.6.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/771907368;IABMV/1] iOS 15 iPhone XS