Samsung Galaxy Note20 Ultra Daughterboard Replacement

Completely power off your phone before proceeding.

• iOpener: Apply heat to the left side of the rear cover for one minute.
• Alternative methods: Use a hair dryer, heat gun, or hot plate, but be cautious not to overheat the phone and cause damage to the screen and internal battery.

Apply a suction cup to the heated edge of the rear cover, as close to the edge as possible.

• If the back glass is badly cracked, apply clear packing tape first for better adhesion.
• Alternatively, use strong tape instead of the suction cup or superglue it if necessary.

Be careful not to damage internal components by inserting the pick more than 5 mm into the phone.

• Pull up on the suction cup with strong, steady force to create a gap between the rear cover and frame.
• If stuck, reapply heat and try again.

Once a gap is created, insert an opening pick into it.

• Slide the opening pick along the left edge towards the bottom left corner.
• Continue until the adhesive is cut through.

Leave the pick inserted in the bottom left corner to prevent re-sealing of the adhesive.

Do not insert the opening pick more than 5 mm into the phone, or you may damage internal components.

• Heat and cut along each side of the rear cover, repeating this process three times.
• Insert new picks in the gaps left by previous ones, always leaving a pick in each corner to prevent re-sealing.
• Slide a pick around the perimeter to release any remaining adhesive. Reheat stubborn areas if necessary.

Remove the rear cover by lifting it straight up.

Careful when prying up the wireless charging coil press connector to avoid damaging surrounding components.

• Pry under the edge of the connector using a spudger's pointed end.
• To reconnect, align and press down on one side until it clicks in place, then repeat on the other side.
• Avoid pressing down on the middle; misalignment can cause pin bending and permanent damage.

Use the pointed end of a spudger to carefully disconnect the white press connector at the motherboard shield's bottom right corner.

Use a Phillips screwdriver to remove the six 4.0 mm screws securing the motherboard shield.

If these screws have threadlocker, they may be difficult to remove.

• Keep track of each screw and ensure it is replaced exactly where it was removed from.

Careful handling is required due to the thin, sharp edges.

• Lift up the motherboard shield using a pair of tweezers.
• Grip the motherboard shield with your fingers.

The wireless charging coil has a light adhesive holding it in place.

• Pry the wireless charging coil upwards and away from the device using a flat tool, such as a plastic spudger or credit card.

Use the pointed end of a spudger to carefully pry up the battery press connector.

• Safely disconnect the battery to prevent any power-related issues during repairs.

Remove the five 4.0mm Phillips head screws from the speaker using a Phillips screwdriver.

Locate the triangle marking on the left side of the loudspeaker.

spudger into this marked hole.
• Pry up and loosen the left side of the loudspeaker using the spudger.

Locate the loudspeaker on the right side.

• Insert the pointed end of a spudger into the triangle-marked hole.
• Pry up to detach the loudspeaker from the frame using the spudger.

Be cautious not to damage the surrounding components when prying the loudspeaker loose.

Use tweezers to carefully lift out the loudspeaker.

Disconnect the secondary interconnect cable from the daughterboard using the pointed end of a spudger.

Disconnect the main interconnect cable using the pointed end of a spudger.

Remove the 3.0 mm screw from the frame using a Phillips screwdriver.

Locate the spring connectors along the bottom edge of the daughterboard.

• Insert the pointed end of a spudger under the right side of the daughterboard near the screw boss.
• Pry up and detach the daughterboard from the frame using the spudger, taking care not to damage small surface-mounted components underneath.

Only insert the spudger as far as necessary to avoid damaging the components.

Remove the daughterboard with a pair of tweezers.