Latest iOS 11 user agents:

User Agent Browser Device
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.9158.1345 Mobile Safari/537.36 Chrome Mobile 40 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.6126.1121 Mobile Safari/537.36 Chrome Mobile 40 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.7071.1232 Mobile Safari/537.36 Chrome Mobile 60 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.2534.1990 Mobile Safari/537.36 Chrome Mobile 58 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.1276.1012 Mobile Safari/537.36 Chrome Mobile 53 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.9798.1046 Mobile Safari/537.36 Chrome Mobile 45 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2730.1328 Mobile Safari/537.36 Chrome Mobile 57 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.9746.1192 Mobile Safari/537.36 Chrome Mobile 45 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.7358.1022 Mobile Safari/537.36 Chrome Mobile 48 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.8971.1452 Mobile Safari/537.36 Chrome Mobile 58 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.4104.1960 Mobile Safari/537.36 Chrome Mobile 42 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.3054.1896 Mobile Safari/537.36 Chrome Mobile 42 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.1462.1447 Mobile Safari/537.36 Chrome Mobile 48 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.9316.1744 Mobile Safari/537.36 Chrome Mobile 40 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2885.1943 Mobile Safari/537.36 Chrome Mobile 57 iPhone
Mozilla/5.0 (iPad; CPU OS 11_1 like Mac OS X) AppleWebKit/604.3.5.0.3 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1 Mobile Safari 9 iPad
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.5235.1679 Mobile Safari/537.36 Chrome Mobile 46 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.7884.1867 Mobile Safari/537.36 Chrome Mobile 47 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.3645.1241 Mobile Safari/537.36 Chrome Mobile 43 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.5969.1023 Mobile Safari/537.36 Chrome Mobile 40 iPhone