はじめに
If one or multiple keys stop functioning, the keypad circuit board is probably defective. Replacing this part requires little to no technical knowledge. Simply follow the steps below to replace the keypad circuit board.
必要な工具と部品
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Push the tab located at the bottom of the battery towards the top of the phone.
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Lift the battery away from the phone.
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Grasp the antenna between two fingers and turn it counterclockwise until it is unscrewed.
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Pull the antenna straight out of the phone.
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Using a Torx T8 screwdriver, remove the two circled screws by unscrewing counterclockwise.
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Flip the motherboard over 180 degrees.
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Place a spudger in between the gold plate and the bottom of the circuit board.
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Carefully use the spudger as a prying tool to lift the circuit board from the motherboard.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.