Latest iOS 11 user agents:

User Agent Browser Device
Mozilla/5.0 (iPhone; CPU iPhone OS 11_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0 Whale/3.9.17.4342 Mobile/15F79 Safari/604.1 Whale Browser 3 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.6160.1193 Mobile Safari/537.36 Chrome Mobile 59 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.8458.1449 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/52.0.4621.1481 Mobile Safari/537.36 Chrome Mobile 52 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.7389.1798 Mobile Safari/537.36 Chrome Mobile 51 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.1778.1868 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/58.0.2998.1605 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/57.0.3471.1552 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/55.0.2330.1731 Mobile Safari/537.36 Chrome Mobile 55 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.9476.1846 Mobile Safari/537.36 Chrome Mobile 55 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/26.5 Mobile/15A372 Safari/604.1 Mobile Safari 26 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.1903.1610 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/51.0.4635.1232 Mobile Safari/537.36 Chrome Mobile 51 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.5267.1207 Mobile Safari/537.36 Chrome Mobile 56 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.5064.1812 Mobile Safari/537.36 Chrome Mobile 41 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2372.1885 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/45.0.2752.1209 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/53.0.3123.1292 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/39.0.3916.1533 Mobile Safari/537.36 Chrome Mobile 39 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.8765.1086 Mobile Safari/537.36 Chrome Mobile 45 iPhone