Samsung Galaxy S23 Ultra Screen and Battery Assembly Replacement

Allow your phone's battery to drain below 25%, as a fully charged lithium-ion battery can be hazardous if damaged.

• Disconnect all cables from the phone.
• Power the phone completely down.

Never subject the phone's display and internal battery to high temperatures — risk of damage.

• Apply heat (e.g., iOpener, hair dryer, or hot plate) to the right edge of the back cover for two minutes.

Monitor temperature to avoid overheating the phone.

Identify the areas with the strongest adhesion:

• The bottom right corner has particularly strong bonding.
• The top left corner also exhibits high adhesion strength.

Apply a suction handle as close to the right edge center as possible.

• Pull up with strong, steady force to create a gap between cover and frame.
• If no gap forms, apply more heat, following iOpener instructions to avoid overheating.
• Insert an opening pick into the created gap.

Insert a pick into the bottom right corner.

• Slide the pick back and forth along the right edge to separate the adhesive.
• Leave the pick inserted near the bottom right corner.

Apply iOpener to the bottom edge of the back cover and heat for 2 minutes.

Work carefully around the corners as the glass is prone to cracking.

• Insert a second opening pick at the bottom right corner.
• Angle the pick upward to match the curved edge and rotate it around the corner.
• Proceed slowly to maintain control and avoid damage.

Insert an opening pick into the bottom left corner.

Do not remove the pick until the repair is complete, as this can cause the adhesive to reseal.

Apply a heated iOpener to the left edge of the back cover for 2 minutes.

Careful handling required due to fragile glass at corners.

• Insert a third opening pick at the bottom left corner.
• Angle the pick upward and rotate it around the bottom left corner, matching the curved edge.

Insert a spudger along the left edge, stopping at the power button.

• Limit insertion depth to 5 mm to avoid damaging antenna or power button cables.
• Leave the spudger in place to prevent resealing of adhesive.

Apply heat from an iOpener to the top edge of the back cover for 2 minutes.

Glass is fragile near corners — work carefully.

• Insert an opening pick at the top right edge, angled upward to match the curve.
• Rotate the pick around the top right corner slowly and carefully.

Slide the pick to the top left corner to separate the adhesive.

• Only insert the pick up to 4 mm to avoid damaging cameras or sensors.
• Leave the pick in place to prevent the adhesive from resealing.

Insert a opening pick into the top left edge's gap.

• Limit insertion depth to 4 mm to avoid damaging cameras.
• Angle the pick upwards, matching the curved edge, and rotate it around the corner.

Insert the picking tool at an angle towards the bottom camera and carefully pry through the remaining adhesive.

Insert no more than 4 mm to avoid damaging the camera lenses.

Remove the back cover.

• If it's still attached, use an opening pick to separate it from the frame.

Power on your phone and test all functions before reassembly; make sure to power down completely afterwards.

• Remove any remaining adhesive chunks with tweezers or fingers. If needed, use heat to aid separation.
• If using custom-cut adhesives, follow the relevant guide.
• For double-sided tape, refer to its specific reassembly instructions.

• Use a spudger to pry up the NFC antenna press connector from the motherboard.
• Repeat for the wireless charging coil press connector.

Misaligned connectors can cause pin damage, so carefully align them before pressing down.

• To re-attach, press one side until it clicks into place, then repeat on the other side.
• Never press in the middle to avoid pin bending and permanent damage.

Remove the wireless charging coil from the battery by inserting a plastic spudger between the right edge of the coil and the battery.

• Slide the spudger along the right edge to separate the adhesive.

Insert an opening pick between the top edge of the wireless charging coil and the frame.

• Slide the pick towards the right edge to separate the remaining adhesive.

Remove the NFC antenna and charging coil screws with a Phillips screwdriver.

• The screws are 3.5 mm long.
• There are five screws in total.

Remove the six 3.5mm screws using a Phillips screwdriver.

Insert the pointed end of your spudger between the upper right corner of the loudspeaker and the .

• Pry up to unclip the loudspeaker from the .

• Do not pry against the battery; use frame protrusions for leverage.

During reassembly, press around the perimeter of the loudspeaker to clip it to the .

Remove the NFC, wireless charging coil, and loudspeaker from the frame.

Disconnect the battery press connector with a spudger.

• Use a spudger to pry up the secondary interconnect cable press connector from the motherboard.
• Repeat this process with the primary interconnect cable.

Disconnect the secondary interconnect cable from the charging board using a spudger.

• Press down on the press connector to release it.
• Gently pry up and remove the interconnect cable.

Repeat for the primary interconnect cable as well.

• Remove the interconnect cables from the frame.

Remove the charging board's screws using a Phillips screwdriver.

• The screws have a length of 3.5 mm.
• There are three screws in total.

Insert spudger under top right of charging board.

• Pry charging board up from recess.
• Grab and pull charging board toward device top to remove.

During reassembly, avoid applying pressure to the USB-C port until it's fully seated in its recess.

• Reinsert charging board at a downward angle during reassembly.
• This will guide the USB-C port into place.

Insert the pointed end of the spudger into the connector.

Gently pry up on the connector while ensuring not to damage the surrounding components.

Pull the connector away from its socket, disconnecting the earpiece speaker press connection.

Remove the motherboard cover by unscrewing the five 3.5 mm screws using a Phillips screwdriver.

Insert a spudger between the bottom right corner of the motherboard cover and the frame.

• Pry up on the cover to unclip it from the frame.
• Remove the motherboard cover.

During reassembly, press down firmly on the cover to secure its clips to the frame.

Insert the point of the spudger into the front-facing camera press connector.

• Pry gently to release the connection.
• The camera press connector should now be disconnected.

Disconnect the fingerprint reader press connector using a spudger.

Be careful when handling electronic components.

• Insert the tip of your spudger into the gap between the screen press connector and the motherboard.
• Pry gently to release the connector from its socket.

• Spudger tip: Pry up the screen press connector from its location near the display's lower edge.

Disconnect the screen cable by pulling it out of its socket.

Avoid damaging the cable connectors.

Locate the right 5G mmWave antenna press connector.

• Pry up the connector using the point of a spudger.
• Disconnect the connector.

Locate the stylus press connector with the tip of your spudger

• Pry gently upwards on the connector.
• This will safely release its connection.

Use the point of a spudger to gently pry up and release the left 5G mmWave antenna press connector.

Remove the motherboard screw using a Phillips screwdriver.

Insert the point of a spudger between the top left of the motherboard and the frame.

• Pry the motherboard up until you can grab it with your fingers.
• Grab the motherboard and remove it from the frame.

• Be careful not to snag any loose cables, which may cause damage or electrical issues during reassembly.

During reassembly, ensure all cables are above the motherboard when reinserting it to avoid snagging.

Risk of heat damage to the display: exercise caution when applying heat.

• Apply a preheated iOpener to the top of the screen for two minutes.
• Alternatively, use a hair dryer or heat gun (set to low heat) with caution.

Avoid separating the circuit board and camera housing — strong adhesive.

• Apply heat if necessary while prying with a flat-end spudger.
• Use the spudger to loosen the front-facing camera from its recess.
• If stuck, scrape away surrounding epoxy with a SIM card eject tool.

Dispose of the old liners properly — they may stick to surfaces.

• Remove the black adhesive liner from the front-facing camera recess.
• Peel and remove the foam liner from the new frame, as it is not required for this repair.

Apply new adhesives to both the frame and camera.

• Expose two large clear rectangular liners and apply the adhesives to the sides of the camera recess.
• Remove the liner from the main adhesive piece and position it in the center of the camera recess, with its pull tab facing down.

Remove any remaining adhesive residue from the front-facing camera module before proceeding.

• Apply a thin layer of adhesive to the top edge of the camera.

Remove the blue adhesive liners from the camera and frame.

• Insert the front-facing camera into its recess in the frame.
• Apply gentle pressure to secure the camera in place.

Remove the two 2.4 mm screws on the left side using a Phillips driver.

Grasp the left 5G mmWave antenna connector and lift it upwards to detach the bracket from the frame.

• Release the antenna from its mounting point.

Replace the 5G mmWave antenna bracket if one is available.

• Extract the antenna and connector from the old bracket.
• Remove the L-shaped adhesive liner from the new bracket.
• Position the antenna in the bracket's recess with the connector beneath the longer screw mount.
• Remove the thin adhesive liner on the outside of the bracket before installing it into the frame.

Insert the flat end of a spudger into the gap at the right 5G mmWave antenna connector.

• Pry gently with the spudger to break the adhesive seal.

Remove the right 5G mmWave antenna from its mounting bracket.

Replace the upper 5G mmWave antenna's adhesive before reinstallation.

• If replacement adhesive is unavailable, use old or custom-cut adhesive instead.
• Remove existing adhesive from the antenna with blunt nose tweezers or your fingers.
• Remove clear liner from new adhesive.
• Apply new adhesive to antenna's bottom, positioning round end farthest from connector.

• Remove green liner before reinstalling the antenna in the frame.

Compare the replacement battery assembly to the old one.

• Transfer any remaining components if necessary.
• Remove adhesive backings from the new parts as needed.