Pixel 3 Fingerprint Sensor Not Working

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Introduction

This repair guide was authored by the iFixit staff and hasn’t been endorsed by Google. Learn more most our repair guides hither.

Follow this guide to remove and supercede a defective fingerprint sensor for the Pixel 3.





  1. Heat an iOpener and apply it to the bottom of the phone for one minute.

    • Heat an iOpener and apply it to the lesser of the phone for 1 minute.



  2. Apply a suction cup to the heated bottom edge of the back cover.
    Make sure you did not mistake the screen side for the back cover side.
    If your back cover is badly cracked, covering it with a layer of clear packing tape may allow the suction cup to adhere.

    • Utilise a suction cup to the heated bottom edge of the back cover.

    • Brand sure you lot did not error the screen side for the back encompass side.

    • If your back embrace is desperately cracked, roofing it with a layer of clear packing tape may allow the suction cup to attach.

    • Lift on the suction cup with stiff, steady forcefulness to create a gap.

    • Depending on how aged your phone is, this may take significant force. If yous are having trouble, apply more heat and endeavour once more.

    • Insert an opening pick into the gap.

    • Don’t employ metal tools to pry, or you’ll mar or shatter the drinking glass dorsum cover. If the panel won’t budge, apply more heat, either with a hair dryer or rut gun.



  3. When inserting an opening pick above the power button, be careful not to insert the pick too deeply, or you will damage the fingerprint sensor cable.

    • When inserting an opening option above the power push, be careful not to insert the pick as well deeply, or you lot will damage the fingerprint sensor cablevision.



  4. Slice the adhesive along the bottom edge of the phone and around the right corner.
    Leave a pick in the bottom edge to prevent the adhesive from re-sealing.
    Leave a pick in the bottom edge to prevent the adhesive from re-sealing.

    • Piece the agglutinative forth the bottom edge of the phone and around the right corner.

    • Leave a pick in the bottom border to prevent the agglutinative from re-sealing.



  5. Heat the right edge with an iOpener and continue slicing the adhesive with an opening pick.
    The adhesive can be very gummy. Push the pick in and out in a sawing motion to help with slicing.
    The adhesive can be very gummy. Push the pick in and out in a sawing motion to help with slicing.

    • Heat the right edge with an iOpener and continue slicing the adhesive with an opening pick.

    • The agglutinative can exist very viscous. Push the selection in and out in a sawing movement to help with slicing.



  6. Continue heating and slicing through the rest of the phone perimeter. Leave a pick in each edge to prevent the adhesive from resealing.
    When slicing above the power button, do not insert the pick more than halfway in to avoid damaging the fingerprint sensor cable.
    When slicing above the power button, do not insert the pick more than halfway in to avoid damaging the fingerprint sensor cable.

    • Continue heating and slicing through the rest of the phone perimeter. Go out a pick in each edge to foreclose the adhesive from resealing.

    • When slicing above the power button, do non insert the selection more than halfway in to avert damaging the fingerprint sensor cable.



  7. Once you have sliced around the perimeter of the phone, carefully lift the left edge of the back cover.
    Do not attempt to remove the back cover. It is still attached to the phone by the fingerprint sensor cable.
    Flip the back cover along its long axis and rest it so that the fingerprint sensor cable is not strained.

    • One time yous accept sliced around the perimeter of the phone, carefully lift the
      left edge
      of the back cover.

    • Practice not attempt to remove the back embrace. It is however attached to the phone by the fingerprint sensor cablevision.

    • Flip the back encompass along its long centrality and rest information technology so that the fingerprint sensor cable is not strained.



    • Remove the two 4.1 mm long Phillips screws securing the fingerprint connector bracket.

    • Throughout this repair, proceed track of each spiral and brand sure it goes back exactly where it came from.

    • During reassembly, be careful non to over-tighten these screws, or you lot may harm your display.



  8. Use the point of a spudger to slide the fingerprint connector bracket out from under the NFC coil.
    Remove the fingerprint connector bracket.
    Remove the fingerprint connector bracket.

    • Use the point of a spudger to slide the fingerprint connector bracket out from under the NFC coil.

    • Remove the fingerprint connector bracket.



  9. Use the point of a spudger to pry up and disconnect the fingerprint connector from its socket.
    When you disconnect connectors like these, be careful not to dislodge the small surface-mounted components surrounding the socket.

    • Employ the bespeak of a spudger to pry up and disconnect the fingerprint connector from its socket.

    • When y’all disconnect connectors like these, be conscientious not to dislodge the pocket-size surface-mounted components surrounding the socket.

    • To re-attach press connectors like this one, carefully align and printing down on 1 side until it clicks into place, then echo on the other side. Practice not press downward on the middle. If the connector is misaligned, the pins tin bend, causing permanent damage.



  10. Remove the back cover.
    Before you install a replacement back cover, be sure to remove all adhesive residue from the phone frame. Use an opening tool to scrape and high concentration isopropyl alcohol to clean the surface.
    If you are re-using the back cover, be sure to clean off any adhesive, and apply new back cover adhesive.

    • Remove the back cover.

    • Before you install a replacement dorsum embrace, exist sure to remove all adhesive residue from the phone frame. Use an opening tool to scrape and high concentration isopropyl alcohol to clean the surface.

    • If you are re-using the back cover, exist certain to clean off any agglutinative, and apply new dorsum cover adhesive.

    • If you are installing a replacement back cover, exist sure compare information technology with the original role. Transfer any remaining parts (such as the wink diffuser) over to your replacement role.





  11. Heat an iOpener and apply it to the back side of the fingerprint sensor for a minute, to loosen the adhesive holding it in place.
    Insert the edge of an opening tool underneath the fingerprint sensor's lip, and pry up to loosen the sensor from the back cover.
    Insert the edge of an opening tool underneath the fingerprint sensor's lip, and pry up to loosen the sensor from the back cover.

    • Rut an iOpener and use it to the back side of the fingerprint sensor for a infinitesimal, to loosen the agglutinative holding it in place.

    • Insert the edge of an opening tool underneath the fingerprint sensor’s lip, and pry up to loosen the sensor from the back cover.



  12. Remove the fingerprint sensor.

    • Remove the fingerprint sensor.

    • Use custom pre-cut adhesive or double-sided tape such as Tesa tape to re-adhere the fingerprint sensor onto the back embrace.


Conclusion

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

Repair didn’t go as planned? Cheque out our Google Pixel iii Answers community for troubleshooting assistance.

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Source: https://www.ifixit.com/Guide/Google+Pixel+3+Fingerprint+Sensor+Replacement/124656