Introduction
Follow this guide if your phone's logic board needs to be replaced.
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Face the phone's back cover towards you. Press the oval-shaped button located at the bottom of the cover.
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While holding this button, slide the back cover off. This should expose the battery.
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Identify the four screw locations.
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Use a torx screwdriver to unscrew the four screws located on the back of the phone. In order to unscrew a screw, insert your screwdriver into a screw and rotate the screwdriver counterclockwise.
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Once each of the screws are removed, set them aside.
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Remove the back cover by identifying a line of separation between the front and back of the phone.
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Pull on both sides of the phone, front and back, in opposite directions. This will remove the back cover and reveal the logic board.
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Identify the orange strip attached to the upper right hand corner of the logic board.
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Detach this strip by pulling it off of the logic board but not off the phone itself. This will then enable you to pull your logic board off.
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Pay attention to the orientation of the logic board as you will use this same orientation when you insert the new logic board.
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Attach your new logic board to the orange strip by pushing it on to the new logic board. Set the logic board back in the phone casing.
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To reassemble your device, follow these instructions in reverse order.
