Latest Chrome Mobile 54 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.4686.1356 Mobile Safari/537.36 Android 5 Galaxy S5
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.4672.1209 Mobile Safari/537.36 Android 6 Nexus 5
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.9541.1203 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2434.1301 Mobile Safari/537.36 Android 8 Pixel 2
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.8404.1616 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.7764.1584 Mobile Safari/537.36 Android 8 Pixel 2
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2624.1325 Mobile Safari/537.36 Android 6 Nexus 5
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2576.1837 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.3956.1099 Mobile Safari/537.36 Android 8 Pixel 2
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.1683.1556 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2136.1960 Mobile Safari/537.36 Android 5 Galaxy S5
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.1454.1970 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.4599.1784 Mobile Safari/537.36 Android 6 Nexus 5
Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.1470.1827 Mobile Safari/537.36 Android 5 Galaxy S5
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.4767.1057 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.4440.1747 Mobile Safari/537.36 Android 6 Nexus 5
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.5761.1248 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.4328.1173 Mobile Safari/537.36 Android 5 Galaxy S5
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.7640.1637 Mobile Safari/537.36 Android 6 Nexus 5
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.5327.1693 Mobile Safari/537.36 Android 8 Pixel 2