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Introducción

If the device does not recognize fingers correctly, replacing the fingerprint scanner may solve this issue. Use this guide to replace a broken Pixel fingerprint scanner.

  1. Turn off the device.
    • Turn off the device.

    • Prepare an iOpener to heat the edges of the display and soften the adhesive underneath. Alternatively, you may use a heat gun or a hair dryer.

    • The surfaces near the speaker and microphone (top and bottom respectively) have larger adhesive sections. These areas may require slightly longer heat exposure. The display should be heated until it's slightly too hot to touch, for roughly two minutes.

  2. In the following steps, you will separate the display panel by slicing though the adhesive bonding the display to the Pixel's chassis. For reference, the back of the display panel is shown at left. Note the narrow clearance between the side of the display unit and the OLED panel. Inserting an opening tool deeper than 1.5 mm into the sides of the device, or 9 mm into the top and bottom can permanently damage the display.
    • In the following steps, you will separate the display panel by slicing though the adhesive bonding the display to the Pixel's chassis.

    • For reference, the back of the display panel is shown at left. Note the narrow clearance between the side of the display unit and the OLED panel.

    • Inserting an opening tool deeper than 1.5 mm into the sides of the device, or 9 mm into the top and bottom can permanently damage the display.

    • Use a suction handle to pull up on the display and create a slight gap between the display and the phone's chassis.

    • If your display is cracked, cover it with packing tape to help the suction cup adhere and prevent glass shards from popping loose.

  3. Insert an opening pick or a playing card into the gap between the chassis and the display assembly. Begin to slide the opening pick around the edge of the display, cutting through the adhesive that secures it. The display panel is fragile. If you plan to re-use your display, take care to insert your tool only as far as necessary to separate the adhesive. Inserting the tool any further can damage the OLED panel under the glass.
    • Insert an opening pick or a playing card into the gap between the chassis and the display assembly.

    • Begin to slide the opening pick around the edge of the display, cutting through the adhesive that secures it.

    • The display panel is fragile. If you plan to re-use your display, take care to insert your tool only as far as necessary to separate the adhesive. Inserting the tool any further can damage the OLED panel under the glass.

  4. Continue carefully separating the adhesive around the rest of the device. Take extra care with the side bezels, which are only 1.5 mm deep. Take extra care with the side bezels, which are only 1.5 mm deep.
    • Continue carefully separating the adhesive around the rest of the device.

    • Take extra care with the side bezels, which are only 1.5 mm deep.

  5. With the adhesive cut, slowly lift the display up from the top (the side with the speaker-grille cutout), carefully flip it over vertically toward the bottom of the device, and rest it on its face, as shown. Do not attempt to completely remove the display yet, as it is still connected by a fragile ribbon cable. Be careful to not to strain the cable while positioning the display. Do not attempt to completely remove the display yet, as it is still connected by a fragile ribbon cable. Be careful to not to strain the cable while positioning the display.
    • With the adhesive cut, slowly lift the display up from the top (the side with the speaker-grille cutout), carefully flip it over vertically toward the bottom of the device, and rest it on its face, as shown.

    • Do not attempt to completely remove the display yet, as it is still connected by a fragile ribbon cable. Be careful to not to strain the cable while positioning the display.

  6. Use a T5 Torx driver to remove the two black 3.5 mm T5 screws securing the display cable connector bracket.
    • Use a T5 Torx driver to remove the two black 3.5 mm T5 screws securing the display cable connector bracket.

  7. Use tweezers to remove the bracket that holds the display connector in place.
    • Use tweezers to remove the bracket that holds the display connector in place.

  8. Use a spudger to pry up the display cable connector, freeing the display.
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  10. Remove the display.
    • Remove the display.

    • Some replacement displays do not come with an earpiece speaker grille. If your replacement screen doesn't have one, be sure to transfer the grille from your old display to the new one.

    • During reassembly, pause here to replace the display adhesive.

  11. Use a T5 Torx driver to remove the nine 3.5 mm screws securing the midframe.
    • Use a T5 Torx driver to remove the nine 3.5 mm screws securing the midframe.

  12. The midframe is held tightly in place by five clips. To release these clips, apply inward pressure with an opening tool as shown in the steps below.
    • The midframe is held tightly in place by five clips. To release these clips, apply inward pressure with an opening tool as shown in the steps below.

  13. Wedge an opening pick into the notch that is located at the bottom right corner of the phone.
    • Wedge an opening pick into the notch that is located at the bottom right corner of the phone.

  14. Slide the opening pick up both sides of the device in the small space between the midframe and the rear case to release the clips holding it in place. Note that the clips are not released by sliding through them, but rather the inward pressure the opening pick creates as it enters the gap around them. If the clasps fail to come undone, try pushing the edge you're working on inward with your hand, or using a thicker tool like a spudger.
    • Slide the opening pick up both sides of the device in the small space between the midframe and the rear case to release the clips holding it in place.

    • Note that the clips are not released by sliding through them, but rather the inward pressure the opening pick creates as it enters the gap around them.

    • If the clasps fail to come undone, try pushing the edge you're working on inward with your hand, or using a thicker tool like a spudger.

    • Do not attempt to remove the midframe yet! There is still a fragile ribbon cable underneath connecting the earpiece speaker to the motherboard.

  15. Use a spudger to pry the earpiece speaker cable connector straight up, disconnecting it from the motherboard. Remove the mid-frame from the device.
    • Use a spudger to pry the earpiece speaker cable connector straight up, disconnecting it from the motherboard.

    • Remove the mid-frame from the device.

    • During reassembly, reattach the earpiece speaker cable and insert the top side of the midframe before you snap the clips back into place.

  16. Use a SIM ejection tool to remove the SIM card tray located at the top left of the device. Use a SIM ejection tool to remove the SIM card tray located at the top left of the device.
    • Use a SIM ejection tool to remove the SIM card tray located at the top left of the device.

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

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

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

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

  21. Use a spudger to pry up the black and white coaxial cables attached to the upper right and left-hand sides of the motherboard. Coaxial cable connectors and sockets are fragile. To avoid damaging the connectors, be sure to gently pry them straight up with your spudger.
    • Use a spudger to pry up the black and white coaxial cables attached to the upper right and left-hand sides of the motherboard.

    • Coaxial cable connectors and sockets are fragile. To avoid damaging the connectors, be sure to gently pry them straight up with your spudger.

    • To reconnect these cables, use tweezers to position each one carefully over its socket on the board, and then press it straight down until it snaps into place.

  22. Remove the two silver 2.5 mm T5 screws holding the motherboard in place. Remove the two silver 2.5 mm T5 screws holding the motherboard in place.
    • Remove the two silver 2.5 mm T5 screws holding the motherboard in place.

  23. Use tweezers to carefully lift the top (the camera side) of the motherboard out of the device.
    • Use tweezers to carefully lift the top (the camera side) of the motherboard out of the device.

    • Don't try to fully remove the motherboard yet—there is a fragile cable on the backside that is still connected to the fingerprint sensor.

  24. While holding the motherboard up with tweezers, use a spudger to disconnect the fingerprint sensor cable from the motherboard.
    • 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.

  25. Pull the fingerprint scanner out of its housing.
    • Pull the fingerprint scanner out of its housing.

Conclusión

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

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Equipo

Cal Poly, Team S23-G1, Livingston Spring 2017 Miembro de Cal Poly, Team S23-G1, Livingston Spring 2017

CPSU-LIVINGSTON-S17S23G1

4 Miembros

13 Guías creadas

Do I need fresh adhesivd when reattaching the screen? Can I just heat up the old adhesive in-place and re-use it? Incomplete guide.

Andrew Bowman - Contestar

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