Latest Facebook 550 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 16; SM-X210 Build/BP2A.250605.031.A3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.104 Safari/537.36 [FB_IAB/FB4A;FBAV/550.0.0.40.60;IABMV/1;] Android 16 Galaxy Tab A9+ 11.0" WiFi
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/iPhone13,4;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/894424164;IABMV/1] iOS 18 iPhone 12 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_0_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23A355 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone18,3;FBMD/iPhone;FBSN/iOS;FBSV/26.0.1;FBSS/3;FBID/phone;FBLC/it_IT;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 17
Mozilla/5.0 (iPhone; CPU iPhone 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/iPhone17,3;FBMD/iPhone;FBSN/iOS;FBSV/26.0;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 16
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/iPhone17,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/897488997;IABMV/1] iOS 26 iPhone 16 Pro
Mozilla/5.0 (Linux; Android 16; SM-S926U Build/BP2A.250605.031.A3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.52 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/550.0.0.40.60;IABMV/1;] Android 16 Galaxy S24+
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/iPhone16,2;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/897488997;IABMV/1] iOS 26 iPhone 15 Pro Max
Mozilla/5.0 (Linux; Android 13; CPH2389 Build/TP1A.220905.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.150 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/550.0.0.40.60;IABMV/1;] Android 13 Nord N300 5G
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/550.0.0.34.65;FBBV/890804754;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/897488997] iOS 26 iPhone 11
Mozilla/5.0 (iPhone; CPU iPhone OS 26_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23E5223k Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPhone18,2;FBMD/iPhone;FBSN/iOS;FBSV/26.4;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 17 Pro Max
Mozilla/5.0 (iPad; CPU OS 16_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/20B101 Safari/604.1 [FBAN/FBIOS;FBAV/550.0.0.34.65;FBBV/890804754;FBDV/iPad12,1;FBMD/iPad;FBSN/iPadOS;FBSV/16.1.1;FBSS/2;FBID/tablet;FBLC/en_US;FBOP/5;FBRV/900736983;IABMV/1] iPadOS 16 iPad 9 10.2" WiFi
Mozilla/5.0 (Linux; Android 16; SM-A156E Build/BP2A.250605.031.A3; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.150 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/550.0.0.40.60;IABMV/1;] Android 16 Galaxy A15 5G
Mozilla/5.0 (Linux; Android 16; CPH2621 Build/BP2A.250605.015; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/145.0.7632.150 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/550.0.0.40.60;IABMV/1;] Android 16 Nord CE 4 Lite 5G
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/iPhone12,5;FBMD/iPhone;FBSN/iOS;FBSV/26.3.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 11 Pro Max
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/iPhone13,2;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/3;FBID/phone;FBLC/en_GB;FBOP/5;FBRV/900736983;IABMV/1] iOS 26 iPhone 12
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/iPhone16,2;FBMD/iPhone;FBSN/iOS;FBSV/26.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/894424164;IABMV/1] iOS 26 iPhone 15 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/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/18.6.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/894424164;IABMV/1] iOS 18 iPhone 13
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/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/897488997;IABMV/1] iOS 26 iPhone 11
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/iPhone14,6;FBMD/iPhone;FBSN/iOS;FBSV/26.3;FBSS/2;FBID/phone;FBLC/en_US;FBOP/5;FBRV/897488997;IABMV/1] iOS 26 iPhone SE (2022)
Mozilla/5.0 (iPhone; CPU iPhone 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/iPhone14,5;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/897488997;IABMV/1] iOS 26 iPhone 13