Introduction
This guide shows how to remove and replace the daughterboard on the Mate 10. The daughterboard acts as an interconnect for the lower components such as the vibration motor and the loudspeaker. It also houses the USB-C port and two downward-facing microphones.
Some images may show the phone with the battery removed. You do not need to remove the battery to replace the daughterboard.
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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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To reassemble your device, follow these instructions in reverse order.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Mate 10 Answers community for help.
