CST is on vacation and does not remember the date of purchase, indicates that it is in the first or second year of warrantyIt tells you to discard if the hardware problem is recommended to reinstall the IOS with itunesCST call us as soon as you download itunes on your computer next adviserhelp to make copies of security and restore mode DFUYou must indicate if continuous lines must take the device to repair and must locate the purchase invoice
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