Latest OPPO R1K user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.3; R8001 Build/JLS36C) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.105 Mobile Safari/537.36	Chrome Mobile 49	Android 4
Mozilla/5.0 (Linux; Android 4.3; R8001 Build/JLS36C) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.111 Mobile Safari/537.36	Chrome Mobile 42	Android 4