Einleitung
Follow this guide to remove and replace a broken fingerprint sensor for the Mate 10. The process is very extensive, requiring the removal of many heavily-glued-in components.
Note that the procedure will destructively remove the screen. The Mate 10 uses very strong adhesive to hold the screen in place, making non-invasive removal very difficult without specialty tools.
Gaining access to the fingerprint sensor also requires removing the firmly glued battery. Do not reuse the battery after it has been removed, as doing so is a potential safety hazard. Replace it with a new battery.
If your battery is swollen, take appropriate precautions. For your safety, discharge your battery below 25% before disassembling your phone. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.
The back cover held in place with a very strong perimeter adhesive. During removal, the adhesive may rip out parts of the coating from the glass back cover, leaving behind patches of clear glass.
Werkzeuge
Ersatzteile
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Heat an iOpener and apply it to the bottom edge of the phone for two minutes. Re-heat the iOpener as needed.
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While you wait, note the location of the adhesive holding the back cover in place.
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Place a suction cup near the bottom edge of the back cover, on the right side (opposite the speaker grille) of the USB-C charging port, above the microphone hole.
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Pull on the suction cup with strong, steady force to create a gap.
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Insert the point of an opening pick into the gap.
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Slide the pick along the bottom edge and around the bottom-left corner, slicing through the adhesive.
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If the adhesive feels tacky and difficult to slice, re-apply heat to the edge and try again.
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Leave an opening pick in the seam to prevent the edge from re-sealing.
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Apply a heated iOpener to the left edge of the phone.
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Use an opening pick to slice through the adhesive on the left edge of the phone.
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Continue heating and slicing through the remaining edges, leaving opening picks in the seams to prevent the adhesive from re-sealing.
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After you cut through the adhesive around the entire perimeter of the back cover, begin to lift it away from the phone.
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Use an opening pick to slice any remaining adhesive.
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Remove the back cover.
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You may pull up chunks of the cover's color coating as you remove the adhesive. To reduce the chances of this occurring, apply heat or high concentration isopropyl alcohol to the adhesive to weaken it.
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Apply a heated iOpener directly over the bezels for a minute.
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Use an opening pick to slice around the flash diffuser to loosen the adhesive.
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Use an opening tool to pry up and remove the camera bezel.
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Transfer the parts to your replacement cover.
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Remove the eight 3.4 mm long Phillips screws securing the plastic bracket.
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Insert the point of a spudger underneath the right edge of the plastic bracket and pry up slightly to loosen the shield.
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Grasp the the lower edge of the plastic bracket with your fingers and lift the edge up slightly.
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Pull the plastic bracket away from the top edge of the phone.
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Slowly peel the black heat dissipation layer away from the phone. It is held in place with small patches of adhesive.
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Remove the plastic bracket along with the heat dissipation layer.
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Use the point of a spudger to pry up and disconnect the battery connector from its motherboard socket.
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Use the point of a spudger to pry up and disconnect the wide interconnect flex cable from its motherboard socket.
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Use the point of a spudger to pry up and disconnect the fingerprint extension cable from its motherboard socket.
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Use the point of a spudger to pry up and disconnect the white antenna cable from the bottom of the phone.
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Insert an opening pick underneath the right edge of the loudspeaker assembly.
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Carefully slide the opening pick under the right half of the assembly to loosen the clips.
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Grasp the loosened edge of the loudspeaker and gently pull the assembly away from the bottom edge of the phone.
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Remove the loudspeaker.
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Insert the point of a spudger in one of the notches along the bottom edge of the daughterboard.
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Push the daughterboard away from the bottom of the phone to loosen the board.
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Repeat the process with a second notch to fully release the daughterboard.
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Use the point of a spudger to pry up and disconnect the display cable from its motherboard socket.
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Use tweezers to peel the tape covering the fingerprint sensor cable connector near the bottom edge of the phone.
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Use the point of a spudger to flip up the gray bar on the socket to unlock the cable.
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Use tweezers to grasp the cable's brown pull tab and pull the cable out of the socket.
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Align and push the cable back into the connector, up to the white line marked on the cable.
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Carefully flip the gray bar on the socket down to lock the cable in place.
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Place a suction cup near the bottom left corner of the phone. The edge there has slightly thinner adhesive.
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Pull on the suction cup with strong, steady force to create a gap in the seam.
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Insert an opening pick in the gap.
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Repeat the heating and pulling process multiple times to soften the adhesive.
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Use a playing card instead of an opening pick to insert in the gap.
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Try heating and prying at a different location.
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Use a Jimmy to make the initial entry. Be careful working with metal tools, as they will scratch the frame and chip the glass screen.
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Once you've made the initial entry, slice through the left, top, and right phone edges. Apply heat to help soften the adhesive.
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As you slice through the bottom edge, be careful not to slice near the right of the fingerprint sensor. It contains the sensor ribbon, which is prone to damage.
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Slice through the bottom edge of the phone, making sure to skip the fingerprint sensor area as marked.
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Once you have sliced around the perimeter, grasp the screen from the top corners and lift up.
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Use an opening pick to slice through any remaining adhesive holding onto the screen.
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Carefully thread the fingerprint sensor cable through its frame cutout.
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Thread the display cable through its frame cutout.
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Position your finger or the flat end of a spudger on the fingerprint sensor's backside and push gently to dislodge the sensor.
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Carefully thread the sensor cable through the screen's cutout.
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Remove the fingerprint sensor.
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To reassemble your device, follow these instructions in reverse order.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Mate 10 Answers community for help.