Latest bq Bristol user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; BQS-4501 Bristol Build/JDQ39) AppleWebKit/537.16 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.16 Chrome/33.0.0.0	Chrome Webview 33	Android 4
Mozilla/5.0 (Linux; U; Android 4.2.2; ru-ru; BQS-4501 Bristol Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4