Samsung Galaxy S21+ USB-C Charging Port and Daughterboard Replacement

Insert a SIM eject tool, bit, or straightened paper clip into the SIM card tray hole on the top edge of the phone.

Press the SIM eject tool into the SIM card tray hole to eject the SIM card tray.

Remove the SIM card tray.

Heat an iOpener and apply it to the bottom edge of the back cover for two minutes.

Secure a suction handle to the bottom edge of the back cover, as close to the edge as possible.

Lift the back cover with the suction handle to create a small gap between the back cover and the frame.

Insert an opening pick into the gap you created.

Slide the opening pick to the bottom left corner to slice the adhesive.

Leave the opening pick in place to prevent the adhesive from resealing.

Insert a second opening pick at the bottom edge of your phone.

Slide the opening pick to the bottom right corner to slice the adhesive.

Leave the opening picks in place to prevent the adhesive from resealing.

Heat an iOpener and apply it to the right edge of the back cover for two minutes.

Insert a third opening pick at the bottom right corner of your phone.

Slide the opening pick along the right edge of your phone to slice the adhesive.

Leave the opening pick in the top right corner to prevent the adhesive from resealing.

Heat an iOpener and apply it to the top edge of the back cover for two minutes.

Insert a fourth opening pick underneath the top right corner of your phone.

Slide the opening pick along the top edge to slice the adhesive.

Leave the opening pick in the top left corner to prevent the adhesive from resealing.

Heat an iOpener and apply it to the left edge of the back cover for two minutes.

Insert a fifth opening pick underneath the bottom left corner.

Slide the opening pick along the left edge of the back cover to slice the remaining adhesive.

Remove the back cover.

This is a good point to power on your phone and test all functions before sealing it up. Be sure to power your phone back down completely before you continue working.

Remove any adhesive chunks with a pair of tweezers or your fingers. Use some high concentration (over 90%) isopropyl alcohol to wipe away any adhesive residue.

If you're using custom-cut adhesives, follow this guide.

If you're using double-sided tape, follow this guide.

Insert an opening pick underneath the left bottom end of the NFC antenna and charging coil assembly.

Carefully slide the opening pick along the bottom left edge of the assembly to separate it from the battery.

Use a spudger to disconnect the charging coil by prying the connector straight up from its socket.

Use a spudger to disconnect the NFC antenna by prying the connector straight up from its socket.

Use a Phillips screwdriver to remove the five 3.9 mm-long screws securing the NFC antenna and charging coil assembly.

Use a Phillips screwdriver to remove the six 3.9 mm-long screws securing the loudspeaker assembly.

Insert the tip of a spudger between the frame and the upper-left notch in the loudspeaker.

Pry up with the spudger to release the loudspeaker from its plastic clips.

Use a pair of tweezers or your fingers to carefully remove the NFC antenna and charging coil assembly.

Use a spudger to pry up and disconnect the battery's press connector.

Use a spudger to pry up and disconnect the primary and secondary interconnect cables' press connectors on the motherboard.

Use a spudger to pry up and disconnect the primary and secondary interconnect cables' press connectors on the daughterboard.

Use tweezers, or your fingers, to remove the interconnect cables.

Use a Phillips screwdriver to remove the three 3.4 mm-long screws securing the charging board.

Insert the pointed end of a spudger under the upper left edge of the daughterboard and pry up to release it from its recess.

Use tweezers, or your fingers, to pull the daughterboard up and away from the bottom of the device and remove it.