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If your LG Xenon GR500 is not turning on from water exposure or drop impact, the issue may be resolved by replacing the motherboard. Handling the motherboard is considered a risky repair that can cause further damage to the device if not operated correctly, so proceed cautiously. This guide will show you how to remove and replace the motherboard carefully.
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Turn the phone so the back side is face up.
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Use your thumb to press on the small ridge at the bottom of the phone, then push upward to slide off the back casing.
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Use your index finger to pull the top of the battery out from the top center divot. Then pull the battery towards yourself to remove it from the compartment.
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Use a Phillips #00 screwdriver to remove the six 2.4mm screws, which secure the back panel.
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Push a spudger or small tool under the inner edge of the back panel and gently pry upward to separate it from the main body.
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Pop off the camera, lock, and volume buttons from the side of the phone using tweezers.
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Use the Phillips #00 screwdriver to remove the two 3mm screws, which secure the motherboard.
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Carefully lift and remove the motherboard from the main body.
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Carefully unclip the metal tab to separate the connector cable from the motherboard.
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Once the connector cable is detached from the motherboard, you have successfully removed the motherboard from the phone.
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To reassemble your device, follow these instructions in reverse order.
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