Latest SFR StarXtrem user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.1.2; fr-fr; STARXTREM Build/GM_ZTEV1.0.0B03) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; Android 4.1.2; STARXTREM Build/GM_ZTEV1.0.0B08) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.137 Mobile Safari/537.36	Chrome Mobile 64	Android 4