Latest Meta Business Suite 474 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C71 [FBAN/FBPageAdmin;FBAV/474.0.0.21.107;FBBV/870965104;FBDV/iPhone17,2;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBDI/6BB767F8-B9E0-4DB7-9895-A450774979B3;FBRV/0;IABMV/1] iOS 26 iPhone 16 Pro Max
Mozilla/5.0 (iPhone; CPU iPhone OS 26_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C71 [FBAN/FBPageAdmin;FBAV/474.0.0.21.107;FBBV/870965104;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/26.2.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBDI/B6E41BC6-BE16-4B8A-AB1E-12746B829543;FBRV/0;IABMV/1] iOS 26 iPhone 13 Pro Max