Einleitung
A faulty motherboard can cause a host of problems with your phone, including touch screen failure, connection difficulties, and freezing. In this guide, we'll show you how to take apart your phone in order to extract and replace the motherboard.
Werkzeuge
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Take off the case by flipping the phone over and wedging your finger in the notch on the bottom edge. Pry up until you hear the clicking and the edge releases. Continue to pry the case up, moving around the perimeter of the phone.
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It should pop off in various places around the perimeter of the phone, and then come off easily.
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Using a Phillips #000 screwdriver, remove the fourteen 3mm screws that connect the housing and the battery.
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Remove the metal bracket covering the battery connector flex cable. Now that it's unscrewed, it should come out easily.
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Disconnect the battery connector flex cable by sliding the black spudger under the wires and carefully prying up the entire terminal casing.
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Starting at the top left corner and moving around the perimeter of the phone, insert the Jimmy between the housing and the phone and gently pry it up.
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Remove the blue battery by lifting it straight up, or by gently turning the phone over into your palm and catching the battery as it comes out.
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Turn the phone so the top is facing you. The board the USB charging port is attached to is on the bottom.
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Disconnect the other side of the outer orange ribbon cable by locating the socket terminal at the base of the phone and prying it up using the blue spudger.
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Disconnect the antenna flex cable by gently prying up the golden connection with the black spudger.
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Slide the pointed end gently under the socket until it releases and hangs loose.
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Carefully pry up the vibrator with the black spudger, being mindful of its connecting wires. Do not disconnect the vibrator from the board.
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Turn the phone so the volume buttons are facing you.
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Disconnect the orange ribbon cables from the motherboard. Flip the black switches with the blue spudger.
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Gently pull the ribbons away from the clamp by lifting them away from the connection with the blue spudger. It should release and hang loose.
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Disconnect the small black flex cable by flipping its switch with the flat side of the black spudger.
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Using the pointy side of the black spudger, gently move the cable away from the connection without pulling on it.
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Remove the volume buttons on the side by inserting the Jimmy between the buttons and the phone and gently prying them outward. Do not remove the volume buttons from the motherboard.
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Gently lift the motherboard up with your hand and slowly turn it over so the antenna's connection on the bottom is visible.
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Disconnect the antenna from the motherboard by putting the black spudger under the connection and gently lifting the cable upwards.
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To reassemble your device, follow these instructions in reverse order.
