はじめに

This guide will enable you to replace the keypad in a Samsung SPH-A640 phone.

Press and hold the “End” button until the phone powers off.
  • Press and hold the “End” button until the phone powers off.

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Turn the phone over on its backside. Remove the bottom cover by sliding it downward, and then remove the battery.
  • Turn the phone over on its backside.

  • Remove the bottom cover by sliding it downward, and then remove the battery.

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Using a #00 Phillips screwdriver, remove  four screws from the bottom half of the phone in the battery compartment. Place screws off to the side.
  • Using a #00 Phillips screwdriver, remove four screws from the bottom half of the phone in the battery compartment. Place screws off to the side.

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Using spudger, pry off back cover starting at the bottom corners and moving  around the perimeter towards the hinge. Disengaging the clips near the hinge may require some force.
  • Using spudger, pry off back cover starting at the bottom corners and moving around the perimeter towards the hinge. Disengaging the clips near the hinge may require some force.

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Using tweezers, carefully remove buttons from both sides while removing back cover.  Note the positions of the buttons. They must be returned to the proper positions.
  • Using tweezers, carefully remove buttons from both sides while removing back cover. Note the positions of the buttons. They must be returned to the proper positions.

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Using spudger, disconnect electrical connector near the hinge.
  • Using spudger, disconnect electrical connector near the hinge.

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Using flathead screwdriver, lift motherboard away and remove from phone.
  • Using flathead screwdriver, lift motherboard away and remove from phone.

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Lift, remove and replace key pad.
  • Lift, remove and replace key pad.

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まとめ

To reassemble your device, follow these instructions in reverse order.

Natasha

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