Latest bq Aspen Mini user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.4.2; en-US; BQS-3510 Build/BQS3510-2015.07.03) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/10.0.0.488 U3/0.8.0 Mobile Safari/534.30	UC Browser 10	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BQS-3510 Build/BQS3510-2015.07.03) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36	Chrome Webview 30	Android 4