Xiaomi Redmi Note 9 Screen Replacement

• Insert a SIM eject tool, SIM eject bit, or straightened paper clip into the SIM tray hole at the left edge of the phone.

• Press directly into the hole to avoid damaging the phone.

• Remove the ejected SIM card tray.

Release the plastic clips holding the back cover in place with moderate force.

Be cautious of applying excessive force that may damage the device.

• Prepare an iOpener and apply it to the back cover for at least two minutes to loosen the adhesive underneath.
• Alternatively, use a hair dryer, heat gun, or hot plate, but avoid overheating the phone to prevent display and internal battery damage.

Secure a suction handle to the screen's bottom edge, as close to the edge as possible.

• If the screen is cracked, try lifting with strong tape or superglueing the suction handle for better adhesion.
• Lift the phone assembly with the suction handle to create a small gap between the assembly and the back cover.

Be cautious not to overheat; follow iOpener instructions carefully.

• Insert an opening pick at a steep angle into the created gap. You may need to apply some force.
• Slide the opening pick to the bottom right corner to slice the adhesive and release the plastic clips holding the back cover in place.

Insert a second opening pick at the bottom edge, angled steeply.

• Slide this pick towards the bottom left corner to release plastic clips and cut adhesive.
• Leave both opening picks in place to prevent adhesive reseal.

Adhesive may cool down, causing difficulties cutting.

• Reheat the adhesive using an iOpener.
• Insert a third opening pick at a steep angle in the bottom left corner.
• Slide the pick along the phone's left edge to release plastic clips and slice adhesive.
• Leave the pick in place near the top left corner to prevent resealing.

Insert a fourth opening pick at the bottom right corner of your phone, angled steeply.

• Slide the pick along the right edge to release plastic clips and cut adhesive.
• Leave the pick in the top right corner to prevent re-adhesion.

Do not attempt to separate the phone assembly from the back cover now, as the fingerprint cable remains connected to the motherboard.

Flip your Redmi Note 9 over.

Be careful not to strain the fingerprint flex cable during the following steps.

• Fold the back cover to the right side of the phone assembly, as you would open a book from the back.
• Slide the back cover underneath the phone assembly, ensuring that it overlaps about one third of the back cover without straining the fingerprint cable.

Remove the motherboard cover using an 11-point Phillips screwdriver.

• There are eleven screws in total.
• The screws are 3.9 mm long and have a Phillips head.

• Position the tip of the opening pick under the bottom left edge of the motherboard cover.
• Pry the motherboard cover upwards.

Remove the motherboard cover.

• Disconnect the fingerprint cable using a spudger, lifting the connector upwards.
• Remove the phone assembly from the back cover.

Disconnect the battery cable using a spudger. Pry the connector straight up from its socket.

Disconnect the display cable using a spudger.

• Pry the connector straight up from its socket.

Remove the 7 x 3.9mm Phillips screws using a Phillips screwdriver.

Disconnect and remove the loudspeaker assembly.

Be cautious of overheating when using a heat source.

• Apply an iOpener or heat gun to loosen screen adhesive for at least two minutes.
• Reapply heat as needed due to strong adhesive on the Redmi Note 9.

Warm the screen by letting it sit for a few minutes.

A badly cracked screen may require clear packing tape or strong tape to ensure the suction cup adheres.

As a last resort, superglue can be used to secure the suction cup in place.

• Apply the suction cup to the bottom edge of the screen and lift it using the handle to create a small gap.
• Insert an iFlex into the gap between the midframe and the screen.

Insert a pick above the iFlex.

• Slide the pick to the bottom left corner of the screen to slice its adhesive.
• Leave the pick in place to prevent resealing.
• Remove the iFlex.

• Insert a second opening pick into the top edge and slide it towards the bottom right corner of the screen.
• Leave this opening pick in place to prevent re-adhesion.

Check that the iOpener or heat gun is still warm and reheat it for 1-2 minutes if necessary.

• Insert an opening pick at the bottom left corner of the screen.
• Slide the pick along the left edge to slice the adhesive. Leave it in place at the top left corner.

When near the front facing camera, insert only a short tip (about 3-4 mm) to avoid damage or smudging.

When slicing near the front-facing camera, only insert the tip of the opening pick to avoid damaging or smearing it.

• Insert a fourth opening pick at the top left corner of the screen.
• Slide this pick along the top edge to slice the adhesive.
• Leave the opening pick in the top right corner to prevent resealing.

Insert another opening pick on the right edge.

• Slide it along the edge to cut the remaining adhesive.

Do not attempt to fully remove the display yet, as the display cable is still in place.

Thread the display flex cable through the gap in the midframe.

Remove the screen.

• Compare your new replacement part to the original part and transfer any remaining components as needed.

Apply new adhesive where necessary, after cleaning with isopropyl alcohol (>90%) to avoid damaging surfaces.

During reassembly, follow this guide if using a pre-cut adhesive card.