Introduction

This guide will provide the steps necessary for replacing the screen in the Samsung SPH-A640 cellular telephone.

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. The screws are in each corner. 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. The screws are in each corner. Place screws off to the side.

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Using a plastic opening tool, pry off back cover starting at the bottom corners and moving around the perimeter towards the hinge.
  • Using a plastic opening tool, 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.
  • Using tweezers, carefully remove buttons from both sides while removing back cover.

  • Note the positions of the buttons. They must be returned to the same positions.

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Once the back is removed, use a plastic opening tool to disconnect the electrical connector near the hinge.
  • Once the back is removed, use a plastic opening tool to disconnect the electrical connector near the hinge.

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Peel off the screw covers and remove two exposed Phillips head screws with small Phillips head screwdriver.
  • Peel off the screw covers and remove two exposed Phillips head screws with small Phillips head screwdriver.

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Remove front cover of phone using a plastic opening tool. Slide a plastic opening tool along seam from hinge and working around the perimeter.
  • Remove front cover of phone using a plastic opening tool. Slide a plastic opening tool along seam from hinge and working around the perimeter.

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Using a plastic opening tool, disconnect electrical connector. Electrical connecter is located near hinge and is revealed when front cover is removed.
  • Using a plastic opening tool, disconnect electrical connector. Electrical connecter is located near hinge and is revealed when front cover is removed.

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Using a plastic opening tool, pry the speakers from the case. These are located at the top of the back of the phone. Using a plastic opening tool, pry the speakers from the case. These are located at the top of the back of the phone.
  • Using a plastic opening tool, pry the speakers from the case. These are located at the top of the back of the phone.

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Using a plastic opening tool, lift screen assembly from case. Using a plastic opening tool, lift screen assembly from case.
  • Using a plastic opening tool, lift screen assembly from case.

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  • To the best of our knowledge, remove the hinge to free the ribbon cable from the case and remove the screen assembly.

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Conclusion

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

Geoff Wiggins

Member since: 02/13/2014

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Ohio State, Team 1-2, Meza Spring 2014 Member of Ohio State, Team 1-2, Meza Spring 2014

OSU-MEZA-S14S1G2

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