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Use this guide to remove or replace a malfunctioning or defective loudspeaker unit in the Xiaomi Mi 9.
You’ll need replacement adhesive to reattach components when reassembling the device.
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Before you begin, switch off your phone.
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Apply a heated iOpener to the rear glass to loosen the adhesive beneath the edges. Apply the iOpener for at least two minutes.
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Secure a suction handle to the lower edge of the rear glass, as close to the edge as possible.
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Lift the rear glass with the suction handle to create a gap between the glass and the frame.
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Insert an opening pick into the gap.
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Slide the opening pick to the bottom right corner of the phone.
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Insert a second opening pick and slide it to the bottom left corner to cut the adhesive.
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Leave the opening picks in place to prevent the adhesive from resealing.
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Insert a third opening pick at the bottom left corner.
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Start to slide the opening pick from the bottom left corner along the side of the Xiaomi Mi 9 to cut the adhesive.
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Leave the opening pick in the top left corner to prevent the adhesive from resealing.
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Insert a fourth opening pick under the top left corner of the rear glass.
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Slide the opening pick along the top to cut the adhesive.
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Leave the opening pick in the top right corner to prevent the adhesive from resealing.
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Insert a fifth opening pick at the top right corner of the phone.
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Slide the opening pick along the right edge to cut the remaining adhesive.
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Carefully lift the rear glass and remove it.
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Remove the ten Phillips #00 screws (3 mm length) that secure the motherboard cover.
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Insert an opening pick at the top right corner of the motherboard cover.
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Twist the opening pick sideways to pry up and slightly lift the motherboard cover.
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Carefully remove the motherboard cover including the charging coil / NFC antenna.
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Use a spudger to pry up and disconnect the battery flex cable.
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Remove the seven Phillips #00 screws securing the loudspeaker unit:
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Four silver 3.2 mm long screws
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Two yellowish 3.8 mm long screws
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One black 2.8 mm long screw
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Slide an opening pick under the right side of the loudspeaker unit.
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Twist the opening pick sideways to pry up the loudspeaker unit until you can get a good grip.
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Carefully lift the loudspeaker unit and hinge it open towards the left side.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Use a pair of tweezers to pry off and disconnect the antenna cable from the loudspeaker unit.
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Remove the loudspeaker unit.
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If possible, turn on your phone and test your repair before installing new adhesive and resealing the phone.
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? Check out our Answers community for troubleshooting help.
If possible, turn on your phone and test your repair before installing new adhesive and resealing the phone.
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? Check out our Answers community for troubleshooting help.
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