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Second generation of iPhone. Model A1241 / 8 or 16 GB capacity / black or white plastic back. Repair is more straightforward than the first iPhone. requires screwdrivers, prying, and suction tools.

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Why is my display screen white out?

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I need some help here. I encounter a few problem while repairing my iPhone 3G. Recently I replace a new orange ribbon cable because my power button not working. At the same time I change to a new back casing I bought from the internet. The installation went smoothly until when I switch it on, there is not signal connection. After going through your repair manual. I relised one side of the orange ribbon cable was not screw on (the one just below the cable '6'). I re-install everything again. This time, when I switch on the phone. The apple logo stay on longer than usual. Then my phone lock appear. But my touch screen not working. I open up the phone again to check on all connectors, install again. Now when I press on the power button. It show I need to connect for power (like low-batt). I tried charging it for 1 hour. The phone able to switch on, apple logo appear, but the display screen turn white. No sound, No vibration, No respond when connect to power. Tried hard shut down but the display screen remain white. Have to leave it till battery flat. Any advise what went wrong here? Is the display screen faulty?

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I tried reseating everything again. As usual, it show I need to connect for power (like low-batt). When connect power to dock connector. There is no the usual 'beep' sound. Press power on... apple logo appear... 30-60secs later, prompt for password. Happly enter... but sadly touch screen not working. Tried hard reset... apple logo appear... but now screen turn white. all button not working. Screen hung... cannot even hard reset. Got to wait till battery run flat. What is wrong here? Is the LCD damage? If so, why is the vibrator not working. No 'beep' sound when connect to power? I have attached photos along the way where I have doubt. Please advise.

1) Is the orange ribbon correctly screw on?

2) What is the small socket for? Any pin require to insert it?

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If it's no longer showing the Apple logo at all, it could be a faulty display... but since you saw it a couple times, I'm not sure that's the case. Try reseating the display cables and see what happens. It's entirely possible that during the many take-apart and put-back-together steps, that something more seriously could've happened to the device. Static electricity is usually the prime suspect.

Try reseating the cable connectors and go from there. If it's showing the Apple logo but not booting into the operating system, try booting into DFU mode and restoring the device. If you need instructions for this, just let me know. I'll write them up.

Outside of that, there a too many possibilities to give you a good answer of what, exactly, is wrong.

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