Erase all data on my iPhone 4S

I got an new iPhone 5S and preparing to sell my old iPhone 4S to someone else. To protect my personal data being leaked, I was told to remove all the personal data before selling it. I tried the default method by Apple Support Team: Settings->General->Reset->Erase All Content and Settings. When I clicked the Erase iPhone option from the promote, nothing happened in an hour, only a grayscreen flashing all the time. I have done this several times and the problem still exsits.


Does anyone have workable solution to fix this problem or any recommendation? Thanks in advance.


My Device: iPhone 4S with iOS 7.1.2


Crank

iPhone 4S, iOS 7.1.2

Posted on Jul 23, 2014 8:13 AM

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Erase all data on my iPhone 4S

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