Introduction

This guide will require you to unfasten a screw that is labeled with a VOID sticker. Doing so, would void any warranty on the phone.

Image 1/3: Remove the battery and the SIM card by pulling both of them out. Image 2/3: Locate SD card on the bottom right. Press in to eject it. Image 3/3: Locate SD card on the bottom right. Press in to eject it.
  • Slide the back cover down to remove

  • Remove the battery and the SIM card by pulling both of them out.

  • Locate SD card on the bottom right. Press in to eject it.

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Image 1/2: Remove the middle two screws are 4-mm  Torx screws and set aside, separate from the 6-mm screws. Image 2/2: Be sure to use proper placement of screws during reassembly.
  • Remove the four 6-mm Torx screws in the corners of the phone and set them aside

  • Remove the middle two screws are 4-mm Torx screws and set aside, separate from the 6-mm screws.

  • Be sure to use proper placement of screws during reassembly.

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Image 1/3: Using your fingernail or a removal tool, slide along the edge of the phone to loosen and remove the back plate. Image 2/3: Using your fingernail or a removal tool, slide along the edge of the phone to loosen and remove the back plate. Image 3/3: Using your fingernail or a removal tool, slide along the edge of the phone to loosen and remove the back plate.
  • Use your finger or a removal tool to remove the antenna cover and antenna component from the bottom of the phone.

  • Using your fingernail or a removal tool, slide along the edge of the phone to loosen and remove the back plate.

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Image 1/2: Locate the small ribbon cable, just below the serial number barcode. Use a safe removal tool or precision flathead to gently detach the cable. Image 2/2: Locate the small ribbon cable, just below the serial number barcode. Use a safe removal tool or precision flathead to gently detach the cable.
  • Remove the two phillips head 3-mm screws located on the bottom circuit board, as indicated in the picture.

  • Locate the small ribbon cable, just below the serial number barcode. Use a safe removal tool or precision flathead to gently detach the cable.

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Image 1/2: Make sure the two ribbon cables underneath the circuit board come off during motion. The two ribbon cables cause the tug underneath the circuit board. Image 2/2: Make sure the two ribbon cables underneath the circuit board come off during motion. The two ribbon cables cause the tug underneath the circuit board.
  • Lift up the circuit board slowly from the right and continue to raise the right side up until a noticeable tug underneath the circuit board disappears.

  • Make sure the two ribbon cables underneath the circuit board come off during motion. The two ribbon cables cause the tug underneath the circuit board.

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Image 1/1: If you want to clean the ball, use an air duster and gently spray the ball. Keep a distance of 2-4 inches between the duster and ball.
  • The ball should be exposed on the other side of the circuit board.

  • If you want to clean the ball, use an air duster and gently spray the ball. Keep a distance of 2-4 inches between the duster and ball.

  • You may reassemble at this point if you are not replacing the trackball. If you are replacing the trackball, skip previous bullet and move on to Step 7.

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Image 1/2: Use a precision flathead screwdriver to dislodge the prongs from the circuit board and push the prongs through the slots. The trackball should fall out from underneath. Image 2/2: Use a precision flathead screwdriver to dislodge the prongs from the circuit board and push the prongs through the slots. The trackball should fall out from underneath.
  • To remove the ball, flip the circuit board over face down, and find the two prongs as indicated.

  • Use a precision flathead screwdriver to dislodge the prongs from the circuit board and push the prongs through the slots. The trackball should fall out from underneath.

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Image 1/2: Once inside the slots, press down softly to ensure the trackball is secure. Image 2/2: Verify the prongs are latched through the circuit board.
  • Insert new trackball by guiding the prongs through the slots on the circuit board.

  • Once inside the slots, press down softly to ensure the trackball is secure.

  • Verify the prongs are latched through the circuit board.

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Conclusion

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

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Erik

Member since: 09/17/2012

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Cal Poly, Team 2-9, Propen Fall 2012 Member of Cal Poly, Team 2-9, Propen Fall 2012

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