Xiaomi Poco F3 Loudspeaker Replacement

Prepare an iOpener and apply it to the rear glass for at least two minutes to loosen the adhesive underneath.

• Alternatively, use a hair dryer, heat gun, or hot plate; however, be careful not to overheat the phone.
• The screen and internal battery are susceptible to heat damage.

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

• If the rear glass is cracked, try lifting it with strong tape or superglueing the suction handle in place and allowing it to cure.
• Lift the rear glass with the suction handle to create a small gap between the rear glass and the frame.
• In case of trouble creating a gap, apply more heat and follow iOpener instructions to avoid overheating.

Insert an opening pick into the created gap.

Slide the opening pick to the top right corner to cut the adhesive.

• Hold the opening pick in place to prevent the adhesive from re-sealing.

Insert a second opening pick at the top right corner.

• Slide the pick to the bottom right corner, slicing the adhesive.
• Leave the pick in place to prevent the adhesive from resealing.

Check if the adhesive has cooled down and become hard to cut.

• iOpener can be used for one to two minutes to reheat it.
• Slide this pick along the bottom edge of your phone to cut the adhesive.
• Leave the pick in the bottom left corner to prevent resealing of the adhesive.

Risk of damaging button cables, which are also glued.

• Insert a fourth opening pick in the bottom left corner.
• Slide the pick along the left edge to slice the adhesive.

Leave one pick in place above the button area to prevent resealing.

Insert opening pick at top left corner.

• Slide pick along top edge of rear glass, slicing remaining adhesive.

Remove the rear glass.

• Clean the relevant areas with isopropyl alcohol (>90%) and apply new adhesive as needed.
• Secure the rear glass using pre-cut adhesive or double-sided adhesive tape.

Apply strong, steady pressure to your phone for several minutes after installation to ensure a good bond.

• A stack of heavy books can be used to apply the necessary pressure.

Remove the motherboard cover using a Phillips screwdriver.

• Remove ten screws, 3.4 mm long.
• Remove one screw, 1.5 mm long.

Insert the tip of an opening pick under the bottom left edge of the motherboard cover.

• Lift up the motherboard cover using the opening pick and release the plastic clips.
• Do not remove the motherboard cover completely yet, as it is still connected to the motherboard.

Open the motherboard cover using your fingers.

• Pry the connector straight up from its socket on the motherboard with a spudger.
• Remove the motherboard cover.

Remove and set aside any protective coverings, such as graphite foil, covering the battery connector.

• Fold or tape it back to maintain access.
• Use a spudger to carefully pry the battery connector straight up from its socket.

• Insert a SIM card eject tool or a paperclip into the small hole in the SIM card tray, located on the left bottom edge of the Poco F3.

• Press firmly to prevent damage to the phone — risk of cracking or breaking.

• Remove the SIM card tray from the phone.

Remove the loudspeaker by unscrewing the seven 3.5mm screws using a Phillips screwdriver.

Disconnect the black antenna cable from the motherboard using a spudger.

Reconnecting during reassembly can be tricky, hold the connector in place over its socket and press down with the flat end of the spudger.

• The connector should snap into place once pressed.

Insert an opening pick at the top left of the loudspeaker.

• Pry up the loudspeaker by tilting it downwards with the opening pick.

• Remove the loudspeaker using a pair of tweezers or your fingers.
• Compare the new replacement part with the original, and if necessary, transfer remaining components such as the antenna cable.