Introduction

If the device does not recognize fingers correctly, replacing the fingerprint scanner may solve this issue.

Image 1/1: Heat and use an iOpener to soften the screen adhesive.
  • Turn off the device.

  • Heat and use an iOpener to soften the screen adhesive.

  • Wedge an opening tool around the seam of the device to remove the screen.

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Image 1/1: Be careful to not pull too hard on the ribbon cable behind the display when lifting the screen off of the device.
  • Slowly pull the screen off the device with your hands.

  • Be careful to not pull too hard on the ribbon cable behind the display when lifting the screen off of the device.

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Image 1/1:
  • Using a screwdriver, remove the two black 3.5 mm T5 screws holding the bracket in place.

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Image 1/1:
  • Use tweezers to remove the bracket that holds the display connector in place.

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  • Use a spudger to remove the connector from the device, and remove the screen completely.

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Image 1/2: The device's mid-frame has 9 screws total, but in the device shown, there are only 8. Image 2/2: The device's mid-frame has 9 screws total, but in the device shown, there are only 8.
  • Using a screwdriver, remove the nine 3.5 mm T5 screws holding the mid-frame in place.

  • The device's mid-frame has 9 screws total, but in the device shown, there are only 8.

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Image 1/2: Slide the opening tool across the seam of the device and lift the mid-frame. Image 2/2: Hearing clicks as you lift the mid-frame off is normal because of the clasps holding it down.
  • Wedge an opening tool into the notch that is located at the top left part of the phone.

  • Slide the opening tool across the seam of the device and lift the mid-frame.

  • Hearing clicks as you lift the mid-frame off is normal because of the clasps holding it down.

  • When lifting the mid-frame, be careful not to damage the ribbon cable connecting the earpiece speaker to the motherboard.

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Image 1/1: Remove the mid-frame completely by lifting it off the device.
  • Use a spudger to disconnect the earpiece speaker cable from the motherboard.

  • Remove the mid-frame completely by lifting it off the device.

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Image 1/2: Image 2/2:
  • Use a SIM ejection tool to remove the SIM card tray located at the top left of the device.

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  • Using a spudger, disconnect the battery ribbon cable from the motherboard.

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  • Use tweezers to lift up the adhesive strip at the top of the battery, and peel it back to expose the connector underneath.

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  • Use a spudger to disconnect the charging port ribbon cable from the motherboard.

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  • Use a spudger to disconnect the thin, black ribbon cable connecting the power and volume buttons to the motherboard.

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  • Use a spudger to disconnect the black signal wire attached to the motherboard.

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  • Use a spudger to disconnect the white signal wire attached to the motherboard.

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Image 1/2: Image 2/2:
  • Remove the two silver 2.5 mm T5 screws holding the motherboard in place.

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Image 1/1: When lifting the motherboard, be careful not to damage the ribbon cable connecting the fingerprint sensor to the motherboard.
  • Use tweezers to lift the motherboard from the device.

  • When lifting the motherboard, be careful not to damage the ribbon cable connecting the fingerprint sensor to the motherboard.

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Image 1/1: Remove the motherboard completely from the device.
  • While holding the motherboard up with tweezers, use a spudger to disconnect the fingerprint sensor cable from the motherboard.

  • Remove the motherboard completely from the device.

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Image 1/1:
  • Pull the fingerprint scanner out of its housing.

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Conclusion

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

Camaryn Chambers

Member since: 04/26/2017

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3 Guides authored

Team

Cal Poly, Team S23-G1, Livingston Spring 2017 Member of Cal Poly, Team S23-G1, Livingston Spring 2017

CPSU-LIVINGSTON-S17S23G1

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