Latest Facebook 506 user agents:

User Agent Platform Device
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/506.1.0.77.87;FBBV/714726354;FBDV/iPad11,6;FBMD/iPad;FBSN/iPadOS;FBSV/26.3.1;FBSS/2;FBID/tablet;FBLC/it_IT;FBOP/5;FBRV/717677729] iPadOS 26 iPad 8 10.2"
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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone14,7;FBMD/iPhone;FBSN/iOS;FBSV/17.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1] iOS 17 iPhone 14
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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone16,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1];FBNV/1 iOS 26 iPhone 15 Pro
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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone16,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1] iOS 26 iPhone 15 Pro
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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone10,1;FBMD/iPhone;FBSN/iOS;FBSV/16.7.15;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1] iOS 16 iPhone 8
Mozilla/5.0 (iPad; CPU OS 16_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20G81 [FBAN/FBIOS;FBAV/506.1.0.77.87;FBBV/714726354;FBDV/iPad7,5;FBMD/iPad;FBSN/iPadOS;FBSV/16.6.1;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/717677729] iPadOS 16 iPad 6 9.7
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/506.0.0.50.87;FBBV/712969325;FBDV/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/0;IABMV/1] iOS 26 iPhone 12
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/506.0.0.50.87;FBBV/712969325;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/0;IABMV/1] iOS 26 iPhone 11
Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 [FBAN/FBIOS;FBAV/506.0.0.49.108;FBBV/730976256;FBDV/iPhone17,3;FBMD/iPhone;FBSN/iOS;FBSV/18.7.7;FBSS/3;FBCR/;FBID/phone;FBLC/en_US;FBOP/80] iOS 18 iPhone 16
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/506.0.0.50.87;FBBV/712969325;FBDV/iPhone17,3;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/0;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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone18,3;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1] iOS 26 iPhone 17
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/506.0.0.50.87;FBBV/712969325;FBDV/iPhone15,4;FBMD/iPhone;FBSN/iOS;FBSV/26.4.1;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/0;IABMV/1] iOS 26 iPhone 15
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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone10,5;FBMD/iPhone;FBSN/iOS;FBSV/16.7.15;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1] iOS 16 iPhone 8 Plus
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/506.1.0.77.87;FBBV/714726354;FBDV/iPad12,1;FBMD/iPad;FBSN/iPadOS;FBSV/18.7.7;FBSS/2;FBID/tablet;FBLC/fr_FR;FBOP/5;FBRV/717677729] iPadOS 18 iPad 9 10.2" WiFi
Mozilla/5.0 (iPad; CPU OS 26_0_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23A355 [FBAN/FBIOS;FBAV/506.1.0.77.87;FBBV/714726354;FBDV/iPad11,6;FBMD/iPad;FBSN/iPadOS;FBSV/26.0.1;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/717677729] iPadOS 26 iPad 8 10.2"
Mozilla/5.0 (iPhone; CPU iPhone OS 18_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/22E252 [FBAN/FBIOS;FBAV/506.1.0.77.87;FBBV/714726354;FBDV/iPhone17,4;FBMD/iPhone;FBSN/iOS;FBSV/18.4.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1] iOS 18 iPhone 16 Plus
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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone11,8;FBMD/iPhone;FBSN/iOS;FBSV/18.7.7;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/717677729;IABMV/1] iOS 18 iPhone XR
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/506.1.0.77.87;FBBV/714726354;FBDV/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/717677729;IABMV/1] iOS 26 iPhone 13
Mozilla/5.0 (iPhone; CPU iPhone OS 16_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20B101 [FBAN/FBIOS;FBAV/506.1.0.77.87;FBBV/714726354;FBDV/iPhone10,6;FBMD/iPhone;FBSN/iOS;FBSV/16.1.1;FBSS/3;FBID/phone;FBLC/ar_AR;FBOP/5;FBRV/717677729;IABMV/1] iOS 16 iPhone X
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/506.0.0.50.87;FBBV/712969325;FBDV/iPad13,19;FBMD/iPad;FBSN/iPadOS;FBSV/18.7.7;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/0] iPadOS 18 iPad 10 10.9"