Latest Chrome Mobile 51 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; SAMSUNG; SM-W750V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Mobile Safari/537.36 Windows Phone 10 Ativ SE
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 650) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Mobile Safari/537.36 Windows Phone 10 Lumia 650
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 540 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Mobile Safari/537.36 E Windows Phone 10 Lumia 540
Mozilla/5.0 (Linux; U; Android 7.1; GT-I9200 Build/KTU84P) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/51.0.1122.105 Mobile Safari/533.6 Android 7 Galaxy Mega 6.3
Mozilla/5.0 (Linux; U; Android 7.0; Nexus 9 Build/NME91E) AppleWebKit/535.47 (KHTML, like Gecko) Chrome/51.0.2973.338 Mobile Safari/603.1 Android 7 Nexus 9
Mozilla/5.0 (Linux; U; Android 5.0.2; SM-A700 Build/LMY47X) AppleWebKit/533.3 (KHTML, like Gecko) Chrome/51.0.2686.237 Mobile Safari/600.7 Android 5 SM-A700
Mozilla/5.0 (Linux; U; Android 5.0.1; HTC Butterfly S 919d Build/LRX22G) AppleWebKit/602.23 (KHTML, like Gecko) Chrome/51.0.2143.377 Mobile Safari/603.3 Android 5 Butterfly S 919d
Mozilla/5.0 (Linux; U; Android 4.4; LG-D550 Build/KOT49I) AppleWebKit/533.48 (KHTML, like Gecko) Chrome/51.0.3038.338 Mobile Safari/537.8 Android 4 D550
Mozilla/5.0 (Linux; U; Android 4.4.4; Nokia 3310 Build/IMM76D) AppleWebKit/537.2 (KHTML, like Gecko) Chrome/51.0.3937.313 Mobile Safari/534.1 Android 4 3310
Mozilla/5.0 (Linux; U; Android 4.4.4; LG-E988 Build/KOT49I) AppleWebKit/534.34 (KHTML, like Gecko) Chrome/51.0.1886.266 Mobile Safari/533.1 Android 4 E988
Mozilla/5.0 (Linux; U; Android 4.4.4; HTC OneS Build/KOT49H) AppleWebKit/537.38 (KHTML, like Gecko) Chrome/51.0.3033.175 Mobile Safari/535.9 Android 4 OneS
Mozilla/5.0 (Linux; Android 9.0; SHIELD Android TV Build/PPR1.180610.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.81 Mobile Safari/537.36 Android TV 9 SHIELD Android TV
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.8651.1448 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/51.0.7768.1558 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/51.0.7574.1773 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/51.0.5059.1707 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/51.0.2106.1425 Mobile Safari/537.36 Android 8 Pixel 2
Mozilla/5.0 (Linux; Android 8.0.0; HWI-AL00 Build/HUAWEIHWI-A) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.36 Mobile Safari/537.36 Android 8 Nova 2S
Mozilla/5.0 (Linux; Android 7.1.1; MX6 Build/NMF26O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2074.203 Mobile Safari/537.36 Android 7 MX6
Mozilla/5.0 (Linux; Android 7.0; SMART_Race2_4G Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.81 Mobile Safari/537.36 Android 7 Smart Race 2 4G