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hi need help with my i phone 4
mine did that a couple weeks ago. I just plugged it into the charger, waited a couple hours and then pressed the power button and the menu button as if to take a screen shot, and it powered back on. Not sure if it was just a coincidence that it worked, but that's what I did.

Reply something about my iPhone 4 has just gone blank. it not respond when connected to charger and not switch on neither detected by i tunes when connected with computer or Post a New Thread