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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 / 8, 16 or 32 GB capacity / black or white plastic back.

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iPhone 3GS wont boot past apple logo

Hi guys, I have an iphone 3gs that wont boot past the apple logo then shuts off, then won't turn on at all.

it's a 3gs board, screen and charging port/sound module, with 3g case, battery, flex cable w/buttons,camera.

One of my friends told me that the 3g camera is not compatable with the 3gs firmware. I know this sounds like a mess lol.

btw : i noticed that the little gold prong next to the power port on the logic board is buckled up and not touching the metal frame..... is it supposed to be?

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Well first thing first. iTunes does not allow you to put incorrect firmware on a phone by default.

Which golden prong are you talking about? If it's the one connected on the side of the logic board. It gets contact to the housing of the iPhone 3 for reception / antenna I think.

The iPhone 3G battery has golden prongs which have contact to the logic board gold connection points which are located under the logic board and are aligned by default to have contact on the battery connector from the battery itself. There are screws specifically for this part on the logic board so the connection is good and firm.

Okay lets do simple troubleshooting steps to see if the battery may be at fault:

1. Connect iPhone 3GS to a iPhone usb cable (30-pin adapter) to a wall charger adapter. You should see the Apple logo go on and off. When it goes on again with the Apple logo appearing, unplug the cable straight away and if your battery is faulty, the Apple Logo should disappear immediately after unplugging the cable.

If this is the case, you will either need to reseat the battery or replace the battery. Has the battery expanded at all or do you notice the front display housing pushing up perhaps?

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If i try to turn the phone on 100 times, It would probably attempt the apple logo once. So i can't even attempt the first step my friend. Thanks a million for helping btw

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Don McCarthy sarà eternamente grato.
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