Latest SK Broadband B TV Smart 3 (2021) user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 12.0; BID-AT200 Build/QTT5.200429.010; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36	Chrome Webview 99	Android 12