Latest Allwinner OCTOPUS-CORE T8 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 9; OCTOPUS-CORE T8 Build/PPR1.181005.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/67.0.3396.87 Safari/537.36	Chrome Webview 67	Android 9