Latest Smart Kassel SK5501 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 10; SK5501) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.101 Safari/537.36	Chrome 87	Android 10
Mozilla/5.0 (Linux; Android 10; SK5501) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.127 Safari/537.36	Chrome 85	Android 10
Mozilla/5.0 (Linux; Android 10; SK5501) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36	Chrome 100	Android 10