Introduction
The Logic Board is the part that the keys hit and translates the signals to the phone.
What you need
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Remove the back cover by pulling it down, and then take out the battery.
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Using a T6 Torx screwdriver, remove the 4 screws.
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Keep the phone open with the back cover facing you.
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Use the plastic opening tool and run it between the case and the body of the device to loosen the keyboard
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Use the i Pod opening tool to remove the 2 ribbon wires (boxed in the photo) from the logic board.
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If the parts are loose you can remove the black sim card reader and green vibrator before continuing, otherwise they may fall out.
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