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Revamped version of the iPhone 3G with faster processing speeds. Repair of this device is similar to the 3G, and requires simple screwdrivers and prying tools. Model A1303 / 16 or 32 GB capacity / black or white plastic back.

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Black screen with stripes after replacing front panel.

I followed the guide to replacing the front pannel. Once I finished, i realize that the phone was probably turned on. After that, I have tried to hard reset it, but it didn't work. Sometimes the screen goes black with vertical gray stripes, sometimes not. What means that? Could be the fact that the phone was turned on when I was working on it a possible reason?

Many tanks.

Nico

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If the phone was on when you disconnected the battery there is a chance something may have happened...but for it to be doing what you have described is strange. Have you tried re setting the connecting ribbons (with the phone turned off)? If that doesn't work it may just be the screen that may be faulty.

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I haven't tried to re set the connecting ribbons with the phone turned off. I should try it. Anyway, the screen was the older screen of the phone. Is there a chance to damange it while phone is turned on?

da

...and how can i turn of the phone if the touch and the screen doesn't work?

da

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It involves a little more work, but you could also try lifting the logic board off from the battery just enough to let the phone reset everything. Then putting the phone back together and turing it on with the display in.

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I've already done it.

da

How did it go?

da

Nothing changed.

da

Try a new screen... I have a feeling that its a faulty screen.

da

Maybe the screen is faulty, but the phone is turned on right now. How can I turn it off?

da

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Check the flex cable.

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