Latest Onda V820W Dual OS user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36	Chrome 81	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.93 Safari/537.36	Chrome 79	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 YaBrowser/18.11.1.1011.01 Safari/537.36	Yandex Browser 18	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Safari/537.36 YandexSearch/7.15/apad	Chrome Webview 33	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Safari/537.36	Chrome Webview 33	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 YaBrowser/18.1.2.70.01 Safari/537.36	Yandex Browser 18	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Safari/537.36	Chrome 63	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w-DualOS Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.84 Safari/537.36	Chrome 45	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; V820w DualOS Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 YaBrowser/16.10.1.1443.01 Safari/537.36	Yandex Browser 16	Android 4