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This is a prerequisite guide! This guide is part of another procedure and is not meant to be used alone.
Use this guide to open your Xiaomi Redmi Note 9 for repairs.
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Insert a SIM card eject tool, a SIM eject bit, or a straightened paper clip into the hole on the SIM tray located at the left edge of the phone.
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Press directly into the hole to eject the SIM card tray.
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Remove the SIM card tray.
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Prepare an iOpener and apply it to the back cover for at least two minutes to loosen the adhesive underneath.
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Secure a suction handle to the bottom edge of the screen, as close to the edge as possible.
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Lift the phone assembly with the suction handle to create a small gap between the assembly and the back cover.
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Insert an opening pick in a steep angle into the gap you created. This might require some force.
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Slide the opening pick to the bottom right corner to slice the adhesive and release the plastic clips holding the back cover in place.
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Insert a second opening pick in a steep angle at the bottom edge of your phone.
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Slide the opening pick to the bottom left corner to release the plastic clips and to slice 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 in a steep angle at the bottom left corner of your phone.
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Slide the opening pick along the left edge of your phone to release the plastic clips and slice 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 in a steep angle at the bottom right corner of your phone.
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Slide the opening pick along the right edge of your phone to release the plastic clips and slice 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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Flip your Redmi Note 9 over.
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Carefully fold the back cover to the right side of the phone assembly like you would open a book from the back.
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Slide the back cover underneath the phone assembly so that the phone assembly overlaps about one third of the back cover and the fingerprint cable is not strained.
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Use a Phillips screwdriver to remove the eleven 3.9 mm-long screws securing the motherboard cover.
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Insert the tip of an opening pick underneath the bottom left edge of the motherboard cover.
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Pry up the motherboard cover.
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Remove the motherboard cover.
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Use a spudger to disconnect the fingerprint cable by prying the connector straight up from its socket.
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Separate the phone assembly from the back cover.
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Compare your new replacement part to the original part. You may need to transfer remaining components or remove adhesive backings from the new part before you install it.
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 Answers community for help.
Compare your new replacement part to the original part. You may need to transfer remaining components or remove adhesive backings from the new part before you install it.
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 Answers community for help.
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