Latest bq Richmond user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.109 Mobile Safari/537.36	Chrome Mobile 65	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 YaBrowser/18.3.1.651.00 Mobile Safari/537.36	Yandex Browser 18	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BQS-4550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.125 YaBrowser/17.7.0.1178.00 Mobile Safari/537.36	Yandex Browser 17	Android 4