Goliton New battery door back cover for T-Mobile Samsung Galaxy S4 IV M919 - White Replace any damaged, aged back cover. Give your device a refreshing look. Renew or give a new look for your device, enhance the durability and you are able to use your device for a longer time. Genuine OEM item Original item, it provides good quality which is better than other aftermarket item. Fit and compatible to the device perfectly. Compatible with: Samsung Galaxy S4 T-Mobile M919