Poco F3 Battery Replacement

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

• The iOpener can loosen the adhesive underneath.
• Alternatively, use a hair dryer, heat gun, or hot plate, but be careful not to overheat the phone.

Avoid overheating, as this may damage the screen and internal battery.

If the rear glass is cracked, the suction handle may not stick.

• Secure a suction handle to the right edge of the rear glass as close to the edge as possible.
• Lift the rear glass with the suction handle to create a small gap between the rear glass and the frame.

• Apply more heat if necessary, but be cautious not to overheat; follow iOpener instructions for safe use.

• Insert an opening pick into the created gap.

• Insert the opening pick into the top right corner and slide it along the glue seam.
• Leave the opening pick in place to hold the adhesive open.

• Insert an additional opening pick at the top right corner.
• Moon Pick: Slide this tool down to the bottom right corner, applying gentle pressure to slice the adhesive.
• Leave the Moon Pick in place; do not remove it, as this may cause the adhesive to reseal.

Reheat the adhesive with an iOpener for 1-2 minutes if it becomes hard to cut.

• Insert a third opening pick into the bottom right corner.
• Slide the opening pick along the phone's bottom edge to slice the adhesive.
• Leave the opening pick in the bottom left corner to prevent resealing.

Insert a fourth opening pick into the bottom left corner of your phone.

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

Careful not to damage button cables, which are also glued and may be accidentally caught while cutting through the adhesive.

• Insert a fifth opening pick under the top left corner.
• Slide it along the top edge of the rear glass to cut the remaining adhesive.

Remove the rear glass.

• Clean areas with isopropyl alcohol (>90%) before applying new adhesive.
• Secure the new rear glass using pre-cut adhesive or double-sided adhesive tape.

Apply strong, steady pressure to your phone for several minutes after installation, as a stack of heavy books can provide additional support.

• Remove ten Phillips head screws, 3.4 mm long.
• Additionally, remove one Phillips head screw, 1.5 mm long.

Do not fully remove the motherboard cover at this step.

• 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 to release the plastic clips that hold it in place.

Use your fingers to lift up the motherboard cover.

• Use a spudger to pry the connector straight up from its socket on the motherboard.
• Remove the motherboard cover.

Careful: graphite foil covers the battery connector.

• Fold or tape the graphite foil out of the way, securing it to the top edge of the Poco F3.
• Use a spudger to disconnect the battery by prying the connector straight up from its socket.

Use a spudger to carefully lift the interconnect cable out of its socket.

• Lift the cable straight up and away from the motherboard.

Reposition the interconnect cable toward the bottom of the phone, keeping it out of the way of the battery.

Be careful not to crease the cable.

• Move the graphite foil to the bottom left corner of the battery.
• Temporarily secure both cables and foils with a small piece of tape on your work surface to prevent damage during removal.

Peel the orange sticker A and orange sticker B off the battery using your fingers.

Careful: softening the adhesive may damage the screen or compromise its waterproofing.

• Grab both ends of the orange sticker labeled "A".
• Pull the ends straight up to lift the battery out of its recess.

If removal is difficult, apply a heated iOpener to the screen for at least two minutes or use a heat gun to soften the adhesive beneath the battery.

Do not reuse the removed battery as this poses a safety hazard.

• Remove the battery.
• Dispose of the old battery and replace it with a new one.
• If the old adhesive tape is still sticky, you can reuse it.
• However, for screen replacement, remove the screen and apply new custom cut adhesive tape.