Latest Polytron Cosmica T7800 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; POLYTRON T7800 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; Android 4.2.2; POLYTRON T7800) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36	Chrome 71	Android 4