Latest Chrome Webview 66 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; E.A352.819 Build/PPR2.180905.006.A1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Safari/537.36 Android 9 Unknown
Mozilla/5.0 (Linux; Android 9; SMART TV Build/PPR2.180905.006.A1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android TV 9 Unknown
Mozilla/5.0 (Linux; Android 14; V_BOX14 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 14 Unknown
Mozilla/5.0 (Linux; Android 13.0; Q96 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 13 Unknown
Mozilla/5.0 (Linux; Android 9; 17MB400VS Build/V7.222.0.0; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Safari/537.36 Android 9 Unknown
Mozilla/5.0 (Linux; Android 8.1.0; Origin Build/9a88126553; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Safari/537.36 Android 8 Unknown
Mozilla/5.0 (Linux; Android 9; Android SDK built for arm64 Build/PSR1.210301.009.B6; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 9 Unknown
Mozilla/5.0 (Web0S; Linux/SmartTV) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Safari/537.36 webOS 1 Unknown
Mozilla/5.0 (Linux; U; Android 9; zh-cn; V1938CT Build/PPR1.180610.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 Mobile Safari/537.36 NetType/WIFI Android 9 X30
Mozilla/5.0 (Linux; U; Android 9.0; JAT-AL00 Build/HUAWEIJAT-AL00PPR1.180610.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 Mobile Safari/537.36 Android 9 Honor Play 8A
Mozilla/5.0 (Linux; U; Android 9.0; JAT-AL00 Build/HUAWEIJAT-AL00PD1A.180720.030) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 9 Honor Play 8A
Mozilla/5.0 (Linux; U; Android 8.1; vivo Z3 Build/OPM2.171026.006.C1) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 8 Z3
Mozilla/5.0 (Linux; U; Android 8.1; vivo X21s Build/OPM4.171019.021.R1) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 8 X21S
Mozilla/5.0 (Linux; U; Android 8.0; vivo Z3x Build/OPR3.170623.013) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 8 Z3x
Mozilla/5.0 (Linux; U; Android 8.0; vivo Y97 Build/OPR6.170623.010) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 8 Y97
Mozilla/5.0 (Linux; U; Android 8.0; vivo Y97 Build/OPD1.170816.010) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 Mobile Safari/537.36 Android 8 Y97
Mozilla/5.0 (Linux; U; Android 8.0; vivo Y81s Build/OPR5.170623.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 Mobile Safari/537.36 Android 8 Y81s
Mozilla/5.0 (Linux; U; Android 8.0; vivo X21s Build/OPR2.170623.027) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 8 X21S
Mozilla/5.0 (Linux; U; Android 8.0; vivo U1 Build/OPR6.170623.021) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 Mobile Safari/537.36 Android 8 U1
Mozilla/5.0 (Linux; U; Android 8.0; LLD-AL20 Build/HUAWEILLD-AL20OPD1.170816.010) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.158 Mobile Safari/537.36 Android 8 Honor 9i