Xiaomi Redmi Note 7 Fingerprint Sensor Replacement

Apply the iOpener to the rear glass and heat it until warm.

Wait at least two minutes before proceeding to allow the adhesive to loosen.

Secure a suction handle to the bottom edge of the rear glass, as close to the edge as possible.

If your rear glass is badly cracked, covering it with clear packing tape may improve suction cup adhesion.

• Lift the rear glass with the suction handle to create a small gap between the glass and frame.
• Apply more heat if needed to further soften the adhesive; follow iOpener instructions to avoid overheating.

Insert an opening pick into the gap, then slide it to the bottom right corner to slice the adhesive.

Insert another opening pick at the bottom left corner.

Leave them in place to stop the adhesive from sealing again.

Hardened adhesive requires reheat.

• Reapply heat with iOpener.

Insert third opening pick at bottom left corner.

• Slide opening pick along left edge to slice adhesive.
• Leave pick in top left corner to prevent resealing.

Insert a fourth opening pick under the top left corner of the rear glass.

• Slide the opening pick along the top edge of the phone to slice the rear glass adhesive.
• Leave the opening pick in the top right corner to prevent resealing of the adhesive.

Insert fifth opening pick into top-right corner.

• Slide pick along right edge to cut remaining adhesive.

Do not remove rear glass yet, as fingerprint sensor remains connected to motherboard.

Avoid stretching or bending the fingerprint flex cable when folding the rear glass.

• Fold the rear glass towards the left side of the phone assembly, as you would open a book.

Remove the Phillips screwdriver and take out the three screws with a length of 3.3 mm.

• These screws hold the connector cover to the midframe.

Remove the connector cover with a pair of tweezers.

Use the flat end of a spudger to gently pry up and release the battery flex cable from its connection on the motherboard.

Remove the motherboard cover using a Phillips screwdriver.

• Secure the 7 3.4mm screws on either side of the motherboard.
• Remove the screws in a diagonal pattern to avoid damaging any components.

Insert a precision opening pick into the gap between the top right corner of the motherboard cover and the midframe.

• Use the opening pick to carefully release the plastic clips holding the motherboard cover in place.
• Pry the motherboard cover up slowly using the precision opening pick.

Insert a pick into the gap between the top left motherboard cover corner and midframe.

• Unhinge the motherboard cover's plastic clips using the pick.
• Pry the motherboard cover upward with the pick.

• Insert an opening pick into the gap between the motherboard cover and the midframe.
• Use the opening pick to release the remaining plastic clips at the top edge of the motherboard cover.
• Pry up the motherboard cover.

Release the motherboard cover by gently tugging it towards the top of the phone.

Use the flat end of a spudger to gently pry up and release the fingerprint sensor flex cable.

Apply the iOpener to the rear glass near the fingerprint sensor for 2+ minutes.

• Heat the iOpener first, then apply it.
• The adhesive should soften in this time.

Position the opening pick beneath the orange flex cable's edge.

• Slide the pick towards the ZIF connector.
• Continue until the flex cable is separated from the rear glass.

• Insert the tip of a opening pick under the edge of the fingerprint sensor.

• Careful not to damage the sensor — use gentle prying motion.

• Use the opening pick to carefully pry up the fingerprint sensor.

Remove the fingerprint sensor assembly using a pair of tweezers.