Iphone 3GS technical support

I have had my IPhone 3GS for a couple of years now. It is not activated as a phone, so I use it as an Ipod touch. MY phone screen is pretty badly cracked, and a tiny piece in the corner shows through. I was planning to et the screen replaced in the next month. The phone works perfectly fine as it is. LASt night I was on my phone and the screen suddenly turned completely white! I pressed the top power button and the phone went black and made that signature noise. I pressed the center Home button to open my phone, an it was still completely white. I let my phone rest over night (not on the charger) and this morning it was fine. I texted a few people, went on Instagram, and then it happened again. I have it on a charger now… What is going on? IS this a problem with the screen (because its cracked and stuff) or is this a problem that is internal to the phone? If I go and get my phone screen replaced, will it be a waste of time and money, or will it fix this problem? MY warrantee has LONG expired.

You may honestly need a new phone. Try to hold the power button and home button. Then release the power button and continue holding the home button for about ten seconds until the phone restarts. But you've probably damaged the screen I have seen this a few times however and it is very expensive to fix.

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