Yandex Browser for TZ857 For more information, please visit the following pages:Yandex BrowserTZ857Yandex LLCBlinkLatest user agents:Mozilla/5.0 (Linux; Android 6.0; TZ857 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.90 YaBrowser/16.11.0.653.01 Safari/537.36