Latest bq Aspen user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4010) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Mobile Safari/537.36	Chrome Mobile 81	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4010 Build/BQS4010-2015.07.10-HSS0721P) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 YaBrowser/22.1.0.193 (lite) Mobile Safari/537.36	Yandex Browser Lite 22	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4010 Build/BQS4010-2015.07.10-HSS0721P) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36	Chrome Webview 30	Android 4