Introduction

This guide details how to install a new keyboard into your Samsung Epic 4G. Directions are provided for both disassembly and reassembly.

Power off the phone using the "Power Button" located on the left side of the phone.
  • Power off the phone using the "Power Button" located on the left side of the phone.

  • Remove back panel of phone by sliding your fingernail along the edge of the device. The rear plastic panel will snap off from the remainder of the device.

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Remove the battery from the device by pulling up on the battery edge.
  • Remove the battery from the device by pulling up on the battery edge.

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Remove the memory card from the device by gently sliding it out of its holder.
  • Remove the memory card from the device by gently sliding it out of its holder.

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Using the Phillips screwdriver, remove the seven screws from the back of the phone. Using a prying tool, separate the back housing from the silver trim around the phone.
  • Using the Phillips screwdriver, remove the seven screws from the back of the phone.

  • Using a prying tool, separate the back housing from the silver trim around the phone.

    • While separating the two pieces, most of the buttons (including the power button) will fall out. Be sure to keep track of the buttons and use them for reassembly.

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Using the tweezers carefully remove the power button. At this point, you can replace the button with a new one.
  • Using the tweezers carefully remove the power button.

  • At this point, you can replace the button with a new one.

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Using the prying tool, carefully remove the white cable on the right side of the phone (next to the battery housing).
  • Using the prying tool, carefully remove the white cable on the right side of the phone (next to the battery housing).

    • Carefully pull out both ends of the antenna. The two ends should easily snap out of place and should not be ripped out.

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Using a Phillips screwdriver, remove the screw holding the antenna assembly in place. Once the screw has been removed, snap the antenna assembly out from the device.
  • Using a Phillips screwdriver, remove the screw holding the antenna assembly in place.

    • Once the screw has been removed, snap the antenna assembly out from the device.

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Using the prying tool, carefully lift and snap off the flex cable from the top of the phone. Repeat this step for the larger flex cable located on the left side of the device.
  • Using the prying tool, carefully lift and snap off the flex cable from the top of the phone.

    • Repeat this step for the larger flex cable located on the left side of the device.

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Using the prying tool, lift and remove the motherboard from the phone.
  • Using the prying tool, lift and remove the motherboard from the phone.

    • The USB port is located at the top of the motherboard. At this point, you can remove and replace the port with a new one.

how do you take it off from the motherboard

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At this point you can remove and replace the Camera Lens.
  • At this point you can remove and replace the Camera Lens.

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Remove the white label/sticker. You may choose to only remove the top left corner of the label (the only place a screw is covered by the label).
  • Remove the white label/sticker.

    • You may choose to only remove the top left corner of the label (the only place a screw is covered by the label).

  • Remove the four screws on the left hand side of the back-side of the device. Two of the screws are found behind where the white label was located, two are found directly above the label. You can remove the screws with a small Phillips screwdriver.

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Using a prying tool, lift up and loosen the metallic silver trim on the perimeter of the phone. With the prying tool, carefully remove the gray mid-plate. Take extra caution to not destroy the QWERTY keyboard, which lies directly behind the mid-plate.  Do not slide open the phone at this time.
  • Using a prying tool, lift up and loosen the metallic silver trim on the perimeter of the phone.

  • With the prying tool, carefully remove the gray mid-plate.

    • Take extra caution to not destroy the QWERTY keyboard, which lies directly behind the mid-plate. Do not slide open the phone at this time.

  • The mid-plate should be completely removed, for the keyboard to be completely separated from the device.

    • At this point, you may remove the original QWERTY keyboard and install a replacement keyboard. Installation is the reverse of removal.

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Conclusion

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

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Katie Zombro

Member since: 10/03/2012

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Cal Poly, Team 24-25, Regan Fall 2012 Member of Cal Poly, Team 24-25, Regan Fall 2012

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