Xiaomi Poco M3 Screen Replacement

Insert a SIM card eject tool or a paperclip into the small hole in the SIM card tray, located near the top left corner of the Poco M3.

Press firmly to avoid damaging the tray.

• Remove the SIM card tray from the phone by pulling it out of the phone assembly.
• If the tray holds a SIM card, it will fall out easily.

When reinserting the SIM card, ensure it's in the correct orientation inside the SIM card tray.

Check if the thin rubber gasket around the SIM card tray is intact. If damaged or missing, replace the gasket or the entire SIM card tray to protect your Poco M3's internal components.

Avoid inserting the spudger at a flat angle, as it may damage the charging port.

• Insert the spudger into the charging port at a steep angle.
• Pry the back cover away from the bottom edge of the screen using the spudger to create a gap between the phone assembly and the back cover.

Insert an opening pick into the gap.

• Work it until you feel resistance.
• Then, carefully pull out the spudger.

Insert the opening pick at the bottom left corner and slide it along the edge.

• Release the plastic clips by sliding the opening pick to the bottom left corner.
• Continue around the edge, working the pick into the gap.

Insert an opening pick into the device and slide it along the left edge, releasing the plastic clips.

Slide the opening pick around the top left corner.

• Release the plastic clips.
• Continue sliding along the top edge of the phone.
• Release the remaining plastic clips holding the back cover in place.

Insert the opening pick into the top right corner and slide it around to release the plastic clips.

• Leave the opening pick in place, positioned above the volume buttons.
• Avoid using the opening pick near physical buttons as it can damage nearby flex cables connected to the motherboard.

Insert another opening pick into the gap at the bottom edge of your phone.

• Slide the opening pick around the bottom right corner to release the plastic clips.
• Continue sliding the opening pick along the right edge, stopping just below the fingerprint reader.

Remove opening picks.

• Flip the phone over.

• Avoid stretching the fingerprint flex cable during this process.

• Swing the back cover up from the right side, like opening a book.

Remove the 10 x 3.9mm screws using a Phillips #00 screwdriver.

Insert the opening pick into the bottom right corner of the motherboard cover.

• Slide the opening pick along the right edge of the motherboard cover to release the plastic clips.
• At the top right corner, twist the opening pick counterclockwise to pry up the motherboard cover.

Remove the motherboard cover.

• Use the flat end of a spudger to carefully disconnect the fingerprint sensor cable at the bottom left corner of the motherboard.

• Be careful not to damage the surrounding components.

  Remove the back cover assembly.

Use the flat end of a spudger to pry up and disconnect the battery cable at the bottom right corner of the motherboard.

Never puncture or bend the battery as this may cause leaks or thermal events.

• Use a pair of blunt nose tweezers or a clean fingernail to carefully remove the top edge of the orange adhesive strip labeled with an A from the battery.
• Repeat this process for the bottom edge, taking care not to damage either section of the adhesive strip.
• Fold down the removed adhesive strip labeled with an A.

Remove the orange adhesive strip marked with a B using a pair of blunt nose tweezers or a clean fingernail.

Be cautious when handling the orange adhesive strip as it may require force.

• Grab both corners of the orange adhesive strip (A) and pull upwards.
• Lift the battery out of its recess and swing it to an upright position.
• Alternatively, apply a heated iOpener to loosen the adhesive underneath if removal is difficult.

Peel the battery off the remaining adhesive.

• Remove the battery.
• During reassembly, temporarily reconnect the battery to the motherboard for alignment.
• Disconnect the battery after it is seated.

Remove the battery's adhesive sticker from the midframe.

Mandatory for display replacement, strongly advised to replace with a fresh adhesive sticker when installing a new battery.

Disconnect the main display flex cable using the flat end of a spudger.

Use blunt nose tweezers to gently pry the main display flex cable from the midframe.

Remove the seven screws with a Phillips #00 screwdriver. The screws are 3.9 mm long.

Insert the opening pick under the bottom right corner of the loudspeaker assembly.

• Pry the loudspeaker assembly out of its recess using the opening.
• Remove the loudspeaker assembly from the device.

Disconnect the digitizer flex cable using the flat end of a spudger.

Apply a heated iOpener to the screen.

• Wait at least 2 minutes before proceeding.

Apply a suction cup to the bottom edge of the phone when it's warm to touch.

If the screen is cracked, use strong tape or superglue to secure the suction handle and allow it to cure.

• Lift the screen with the suction handle to create a small gap between the screen and frame.
• Insert an opening pick into the gap between the midframe and screen.
• Slide the opening pick to the bottom right corner, cutting the adhesive. Leave it in place to prevent resealing.

Insert a second opening pick at the bottom left corner of the screen.

Leaving the picks in will prevent the adhesive from resealing.

If the adhesive hardens, use your iOpener to reheat it.

• Insert a third opening pick under the bottom left corner of the phone.
• Slide the opening pick up to the top left corner to cut the adhesive. Leave it in place.

• Insert a fourth opening pick at the top left corner.
• (Leave it in place)

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

• Slide the opening pick along the top edge of the phone to cut the adhesive.
• Leave the opening pick in the top right corner of the screen to prevent resealing.

Slide a fifth opening pick along the right edge of the phone to sever remaining adhesive.

Avoid fully removing the display at this stage, as cables may still be attached and adhered within the frame.

Pass the digitizer flex cable through the opening in the midframe.

• Route the display flex cable through the gap in the midframe.
• Remove the screen.

Compare your replacement part to the original, transferring remaining components or removing adhesive backings as needed before installation.