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Introducción

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

  1. Slide your fingernail along the edge of the device and pull at the plastic backing.
    • Slide your fingernail along the edge of the device and pull at the plastic backing.

    • While pulling the plastic backing apart from the device, you will hear a snap sound which signals that the backing has detached.

  2. Pull at the plastic backing gently to remove it after hearing the snap sound.
    • Pull at the plastic backing gently to remove it after hearing the snap sound.

  3. Remove the battery from the device by pulling the battery edge upwards.
    • Remove the battery from the device by pulling the battery edge upwards.

  4. Locate the memory card on the upper right-hand corner of the device.
    • Locate the memory card on the upper right-hand corner of the device.

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

  5. Remove the seven screws from the back of the phone using the Phillips #000 screwdriver. Separate the backing from the silver trim around the phone by using a nylon spudger to pry between the two components.
    • Remove the seven screws from the back of the phone using the Phillips #000 screwdriver.

    • Separate the backing from the silver trim around the phone by using a nylon spudger to pry between the two components.

    • While separating the two components, most of the buttons (including the power button) will fall out.

  6. Remove the power button using tweezers if it did not fall out in the previous step. At this point, you can replace the power button with a new one from a manufacturer.
    • Remove the power button using tweezers if it did not fall out in the previous step.

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

  7. Remove the white cable along the right side of the device (next to the battery housing) using the nylon spudger.
    • Remove the white cable along the right side of the device (next to the battery housing) using the nylon spudger.

    • Pull out both ends of the white cable. They will easily snap out of place without excessive tension.

    • Do not rip the white cables out of the device.

  8. Remove the screw holding the antenna assembly in place using a Tri-Point Y0 screwdriver. Snap the antenna assembly out of the device gently using your fingers.
    • Remove the screw holding the antenna assembly in place using a Tri-Point Y0 screwdriver.

    • Snap the antenna assembly out of the device gently using your fingers.

  9. Pry the flex cable from the top of the phone by carefully using a nylon spudger. Repeat this step for the larger flex cable located on the left side of the device below the smaller one.
    • Pry the flex cable from the top of the phone by carefully using a nylon spudger.

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

  10. Lift and remove the motherboard from the device.
    • Lift and remove the motherboard from the device.

    • The USB port is located at the top of the motherboard. At this point, replace the port with a new one from a manufacturer.

  11. Remove and replace the camera lens with a new one from a manufacturer.
    • Remove and replace the camera lens with a new one from a manufacturer.

  12. Remove the white label sticker. Remove the four screws on the left side of the device with a small Phillips screwdriver.
    • Remove the white label sticker.

    • Remove the four screws on the left side of the device with a small Phillips screwdriver.

    • Two of the screws are found behind the white label, and two are found directly above the label.

  13. Lift up and loosen the metallic silver trim on the perimeter of the phone using a nylon spudger. Carefully remove the gray mid-plate with the spudger. 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.
    • Lift up and loosen the metallic silver trim on the perimeter of the phone using a nylon spudger.

    • Carefully remove the gray mid-plate with the spudger.

    • 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 from the keyboard and 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.

Conclusión

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

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Katie Zombro

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Cal Poly, Team 24-25, Regan Fall 2012 Miembro de Cal Poly, Team 24-25, Regan Fall 2012

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