Xiaomi Redmi Note 8T Battery Replacement

Switch off your phone.

• Apply a iOpener to the back of the phone and heat it up.
• Let the iOpener sit for at least two minutes to loosen the adhesive beneath the back cover.

Secure a suction handle to the rear glass's lower edge.

If the rear glass is cracked, use strong tape or superglue to secure the suction handle in place and allow it to cure.

• Lift the rear glass with the suction handle, creating a small gap between the glass and the frame.
• Insert an opening pick into the gap.

Apply more heat if needed, but follow iOpener instructions to avoid overheating.

• Slide the opening pick to the bottom right corner.

Insert a second opening pick and slide it to the bottom left corner to cut the adhesive.

• Leave both opening picks in place to prevent the adhesive from resealing.
• Do not remove the suction handle yet.

Insert a third opening pick at the bottom left corner.

• Slide the tip along the side, cutting the adhesive with the phone open.
• Leave the opening pick in place to prevent resealing.

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

• Reheat the adhesive with your iOpener.
• iPhone rear glass: Insert a fourth opening pick under the top left corner.
• Slide the opening pick along the top edge to cut the adhesive.
• Leave the opening pick in the top right corner to prevent resealing.

Inserting an opening pick deeper than 5 mm can damage the fingerprint connector.

• Place a fifth opening pick at the top right corner of the phone.
• Use this opening pick to cut the remaining adhesive along the right side.

Do not remove the rear glass yet, as the fingerprint cable is still connected.

Place the rear glass on the suction handle and position it at an angle, allowing it to rest against the right side of the phone.

Power off your phone completely before proceeding.

• Use a spudger to pry up the fingerprint flex cable and disconnect it.
• Remove the rear glass.
• During reassembly, test your phone's functions by powering on before sealing.
• Ensure your phone is powered back down completely before continuing work.

Remove the eleven Phillips #00 screws, each with a 3.9 mm length.

• Screws are located in various positions throughout the device.

Insert the tip of a plastic spudger or opening pick under the bottom edge of the motherboard cover.

• Pry up the motherboard cover using the opening pick.

Remove the motherboard cover, taking care to lift off both the cover and the black protective foil covering the battery.

Use a spudger to pry up and disconnect the battery flex cable.

Disconnect the main flex cable using a spudger.

Disconnect the display flex cable using a spudger.

Peel off the black ends of the adhesive strips using a pair of tweezers.

Use a pair of tweezers to carefully pull out the adhesive tabs from underneath the battery.

• Pull out the tabs in a slow and steady motion at a flat angle.
• To avoid damage, twist the strip around the tweezers for added control.
• If both strips are removed intact, proceed to Step 21. Otherwise, continue with the next step.

Apply a heated iOpener to the screen and maintain it for at least two minutes to loosen the adhesive underneath the battery.

Careful handling is crucial for removing the soft-shell lithium-ion battery to avoid damage that could lead to leakage, fire, or explosion.

• Insert a spudger into the gap between the daughterboard cover and the battery at the bottom left corner.
• Pry up the battery using the spudger until you create a small gap underneath.

Insert a plastic tool or playing card into the gap.

• Insert a plastic card under the battery to loosen the adhesive.
• Work the card along the battery's left edge, cutting any remaining adhesive as you go.

Never use a damaged or deformed battery — risk of fire or electrical shock.

• Remove the battery.
• Temporarily reconnect the battery to aid alignment during reinstallation.
• Adhere the battery firmly in place and then disconnect it.