I have had my xte max pro for a year and a half.it just got a corrupted file to store.they said I needed a new phone.took to best buy the powered up the phone holding the up volume.went to shell screen asked for a hard reset. All data will be lost.you need to have everything saved though Google. Or you will lose all contacts and pics.you cannot undo it once you say yes.your phone will boot up. All restored