Latest Angelcare F20 Pro user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 9; angelcare F20pro Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/71.0.3578.99 Mobile Safari/537.36	Chrome Webview 71	Android 9