Latest Chrome Webview 51 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; SM-W2019ZDACHC Build/N2G47H; wv) AppleWebKit/608.60 (KHTML, like Gecko) Version/4.0 Chrome/51.3.3286.171 Mobile Safari/608.60 Android 9 Galaxy W2019
Mozilla/5.0 (Linux; Android 9; ASUS_I001D Build/16.0.A.0.36) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704 Mobile Safari/537.36 Android 9 ROG Phone 2
Mozilla/5.0 (Linux; Android 8.1; iris702 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.81 Mobile Safari/537.36 Android 8 Iris 702
Mozilla/5.0 (Linux; Android 7.1.2;OC105 Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2074.204 Mobile Safari/537.36 Smartisan OS 6 Nut 3
Mozilla/5.0 (Linux; Android 7.1.2; M721C Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.110 Mobile Safari/537.36 Android 7 M6 Note
Mozilla/5.0 (Linux; Android 7.1.2; M6 Note Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.110 Mobile Safari/537.36 Android 7 M6 Note
Mozilla/5.0 (Linux; Android 7.1.2; HTC M8w Build/NJH47F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.110 Mobile Safari/537.36 Android 7 M8w
Mozilla/5.0 (Linux; Android 7.1.1; MX6 Build/NMF26O; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2074.203 Mobile Safari/537.36 Android 7 MX6
Mozilla/5.0 (Linux; Android 7.1.1; MEIZU E3 Build/NGI77B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.110 Mobile Safari/537.36 Android 7 E3
Mozilla/5.0 (Linux; Android 7.0; Y19(EU) Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 Y19
Mozilla/5.0 (Linux; Android 7.0; VOGA 55909 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 iThunder;thirdChannel_SHOUJIXUNLEI/7.39.0.7882 xl_cloud statusBarHeight/81 statusBarHeightDp/24.0 Android 7 V
Mozilla/5.0 (Linux; Android 7.0; VIVAX-40LE78T2S2SM Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Safari/537.36 Android 7 40LE78T2S2SM
Mozilla/5.0 (Linux; Android 7.0; VisionBook P55 LTE Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 VisionBook P55 LTE
Mozilla/5.0 (Linux; Android 7.0; U7 Plus Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 U7 Plus
Mozilla/5.0 (Linux; Android 7.0; U16 Max Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 U16 Max
Mozilla/5.0 (Linux; Android 7.0; U11 Plus Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 YandexSearch/7.20 Android 7 U11 Plus
Mozilla/5.0 (Linux; Android 7.0; U11 Plus Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 U11 Plus
Mozilla/5.0 (Linux; Android 7.0; Twist XL ECT Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 Twist XL
Mozilla/5.0 (Linux; Android 7.0; TELO_M5 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 M5
Mozilla/5.0 (Linux; Android 7.0; Tecno A4S Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Mobile Safari/537.36 Android 7 A4S