Latest Chrome Mobile 54 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.9848.1468 Mobile Safari/537.36 Android 8 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.3635.1351 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/54.0.6973.1306 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.7850.1852 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.6985.1206 Mobile Safari/537.36 iOS 11 iPhone
Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.4057.1133 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/54.0.2406.1308 Mobile Safari/537.36 Android 8 Pixel 2
Mozilla/5.0 Linux; Android 6.0; Leagoo M8Pro Build/MRA58K AppleWebKit/537.36 KHTML, like Gecko Chrome/54.0.2840.85 Mobile Safari/537.36 Android 6 M8 Pro
Mozilla/5.0 (Linux; U; Android 7.1; LG-H920 Build/NRD90C) AppleWebKit/537.28 (KHTML, like Gecko) Chrome/54.0.1645.399 Mobile Safari/602.4 Android 7 H920
Mozilla/5.0 (Linux; U; Android 6.0; HTC One0P8B2 dual sim Build/MRA58K) AppleWebKit/534.35 (KHTML, like Gecko) Chrome/54.0.1548.300 Mobile Safari/534.9 Android 6 One0P8B2 dual sim
Mozilla/5.0 (Linux; U; Android 5.0; SM-T550 Build/LRX22G) AppleWebKit/602.48 (KHTML, like Gecko) Chrome/54.0.3921.244 Mobile Safari/602.4 Android 5 Galaxy Tab A 9.7" WiFi
Mozilla/5.0 (Linux; U; Android 4.4.4; LG-D957 Build/KOT49I) AppleWebKit/602.43 (KHTML, like Gecko) Chrome/54.0.1584.220 Mobile Safari/534.9 Android 4 D957
Mozilla/5.0 (Linux; U; Android 4.4.4; LG-D240 Build/KOT49I) AppleWebKit/601.3 (KHTML, like Gecko) Chrome/54.0.2670.123 Mobile Safari/536.0 Android 4 D240
Mozilla/5.0 (Linux; U; Android 4.4.1; Nexus S 4G Build/GRJ22) AppleWebKit/601.1 (KHTML, like Gecko) Chrome/54.0.1727.207 Mobile Safari/602.8 Android 4 Nexus S
Mozilla/5.0 (Linux; U; Android 4.3.1; SM-G330S Build/JLS36C) AppleWebKit/600.47 (KHTML, like Gecko) Chrome/54.0.2889.354 Mobile Safari/536.6 Android 4 SM-G330S
Mozilla/5.0 (Linux; Android 9.1.1; Vivo X40 Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.24757.108 Mobile Safari/537.36 Android 9 X40
Mozilla/5.0 (Linux; Android 9.1.1; Vivo V9 Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.46756757.108 Mobile Safari/537.36 Android 9 V9
Mozilla/5.0 (Linux; Android 9.1.1; Vivo V21S Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.67857.108 Mobile Safari/537.36 Android 9 V21S
Mozilla/5.0 (Linux; Android 9.1.1; Micromax IN Build/LMY47X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.46745457.108 Mobile Safari/537.36 Android 9 IN
Mozilla/5.0 (Linux; Android 9.0; SHIELD Android TV Build/PPR1.180610.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.68 Mobile Safari/537.36 Android TV 9 SHIELD Android TV