Latest Facebook 501 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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/18.3.2;FBSS/3;FBID/phone;FBLC/en_Qaau_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 18 iPhone 12
Mozilla/5.0 (iPhone; CPU iPhone OS 26_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23D127 [FBAN/FBIOS;FBAV/501.0.0.49.107;FBBV/699723644;FBDV/iPhone17,3;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (iPhone; CPU iPhone OS 16_7_12 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20H364 [FBAN/FBIOS;FBAV/501.0.0.49.107;FBBV/699723644;FBDV/iPhone10,5;FBMD/iPhone;FBSN/iOS;FBSV/16.7.12;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 16 iPhone 8 Plus
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1];FBNV/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/23D127 [FBAN/FBIOS;FBAV/501.0.0.49.107;FBBV/699723644;FBDV/iPhone14,8;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 14 Plus
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone10,1;FBMD/iPhone;FBSN/iOS;FBSV/16.7.15;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 16 iPhone 8
Mozilla/5.0 (Linux; Android 15; SM-G998U Build/AP3A.240905.015.A2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/146.0.7680.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/501.0.0.61.70;] Android 15 Galaxy S21 Ultra 5G
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone10,1;FBMD/iPhone;FBSN/iOS;FBSV/16.7.15;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 16 iPhone 8
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone14,8;FBMD/iPhone;FBSN/iOS;FBSV/18.3.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 18 iPhone 14 Plus
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone15,3;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 14 Pro Max
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/18.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 18 iPhone 12
Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/21B91 [FBAN/FBIOS;FBAV/501.0.0.49.107;FBBV/699723644;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/17.1.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 17 iPhone 15
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 14
Mozilla/5.0 (Linux; Android 13; SM-G781V Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/116.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/501.0.0.61.70;] Android 13 Galaxy S20 FE 5G
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/2;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 11
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/26.2;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 15
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone12,5;FBMD/iPhone;FBSN/iOS;FBSV/17.6.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 17 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 [FBAN/FBIOS;FBAV/501.0.0.49.107;FBBV/699723644;FBDV/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/fr_FR;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 13
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/501.0.0.49.107;FBBV/699723644;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/703296132;IABMV/1] iOS 26 iPhone 11