Latest iOS 11 user agents:

User Agent Browser Device
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Mobile/13F69 Mobile Safari iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.4485.1315 Mobile Safari/537.36 Chrome Mobile 51 iPhone
Mozilla/5.0 (iPhone10,1; CPU iPhone OS 11_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.4 Mobile/15E148 Safari/604.1 Mobile Safari 11 iPhone 8
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.7535.1479 Mobile Safari/537.36 Chrome Mobile 51 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_2_5 like Mac OS X) AppleWebKit/604.5.6 (KHTML, like Gecko) Mobile/15D6 Mobile Safari iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15G7 Mobile Safari iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_2_6 like Mac OS X) AppleWebKit/604.5.6 (KHTML, like Gecko) Mobile/15D100/ Mobile Safari iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.9579.1813 Mobile Safari/537.36 Chrome Mobile 58 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_4_1 like Mac OS X) AppleWebKit/605.2.8.0.1 (KHTML, like Gecko) Mobile/15F79 Mobile Safari iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.1034.1372 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/59.0.3371.1312 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/50.0.6132.1056 Mobile Safari/537.36 Chrome Mobile 50 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2704.1396 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/39.0.5514.1404 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/42.0.2077.1653 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/58.0.9324.1542 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/43.0.1487.1105 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/48.0.2915.1979 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/51.0.1932.1602 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/42.0.8967.1666 Mobile Safari/537.36 Chrome Mobile 42 iPhone