Latest bq Oxford user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.4.2; en-US; BQS-4001 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.12.9.1226 Mobile Safari/537.36	UC Browser 12	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4001 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 YaBrowser/21.1.0.188 (lite) Mobile Safari/537.36	Yandex Browser Lite 21	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4001 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36	Chrome Webview 30	Android 4