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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How to remove the motherboard shield?


I would like to replace the coil for the problem of the screens backlight in the 3GS. To access it i must remove the protective metal (shield) on the motherboard. Except I do not see how to remove it.

Link to the shield

What tools are required to do this and there is a site that explains how to replace?

Thank you in advance for your answers.

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Did replacing the coil fix your LCD issue? Where did you buy the coil?


try ebay for the part.. search 6r8 coil. go to youtube for some guides, avoid the wire jump as this circumvents fuses.


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Solución Elegida

I use a very small flathead screwdriver

the key to doing this safely and not ripping off more parts of the motherboard is to go SLOWLY and surely. put the screwdiver at the base of the little clips so that it is just under the lip of the clip (it will be parallel to the motherboard and the shield) turn screwdriver about 1/4 to 1/2 turn and the clip will lift. if it doesn't then move to the next one... you can sometimes not get all of the clips to shift, but you can then use the screwdriver directly under the top of the shield and do the 1/4 turn there (just make sure you don't insert tip too far or you risk damage ic under shield)

I start near connector 1 and move down the long side, then do opposite long side, around sim try and then finally near dock. The most difficult part is navigating round connector 4... I usually end up using the screw driver under the shield instead of trying to lift tabs.

once you've lifted the outer edges of the shield you'll be able to either bring the 2 halves up enough to see the centre join and slip screw driver along to lift the tabs/shield. As long as you are careful you can just pop the shield back on again-the foil on the join will be wrinkled but who cares?

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+ well done Polly


Ok I will try and I give you a feedback. Tank you for you answer



I succeeded. Your procedure works well. We just do not force it with the screwdriver.

Thank you very much for your help.


you're very welcome. it's what we're here for!


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I found this video helpful along with the written instructions:

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