Introduction
Use this guide to replace the USB-C charging port and daughterboard in your Samsung Galaxy S21+.
Before you begin, refer to the Samsung Self-Repair document for safety information.
Note: Retaining water resistance after the repair will depend on how well you reapply the adhesive, but your device will lose its IP (Ingress Protection) rating.
What you need
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Insert a SIM eject tool, bit, or straightened paper clip into the SIM card tray hole on the top edge of the phone.
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Press the SIM eject tool into the SIM card tray hole to eject the SIM card tray.
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Remove the SIM card tray.
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Heat an iOpener and apply it to the bottom edge of the back cover for two minutes.
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Secure a suction handle to the bottom edge of the back cover, as close to the edge as possible.
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Lift the back cover with the suction handle to create a small gap between the back cover and the frame.
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Insert an opening pick into the gap you created.
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Slide the opening pick to the bottom left corner to slice the adhesive.
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Leave the opening pick in place to prevent the adhesive from resealing.
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Heat an iOpener and apply it to the right edge of the back cover for two minutes.
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Heat an iOpener and apply it to the top edge of the back cover for two minutes.
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Heat an iOpener and apply it to the left edge of the back cover for two minutes.
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Remove the back cover.
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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.
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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.
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If you're using custom-cut adhesives, follow this guide.
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If you're using double-sided tape, follow this guide.
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Insert an opening pick underneath the left bottom end of the NFC antenna and charging coil assembly.
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Carefully slide the opening pick along the bottom left edge of the assembly to separate it from the battery.
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Use a spudger to disconnect the charging coil by prying the connector straight up from its socket.
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Use a spudger to disconnect the NFC antenna by prying the connector straight up from its socket.
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Use a Phillips screwdriver to remove the five 3.9Ā mm-long screws securing the NFC antenna and charging coil assembly.
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Use a Phillips screwdriver to remove the six 3.9 mm-long screws securing the loudspeaker assembly.
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Insert the tip of a spudger between the frame and the upper-left notch in the loudspeaker.
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Pry up with the spudger to release the loudspeaker from its plastic clips.
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Use a pair of tweezers or your fingers to carefully remove the NFC antenna and charging coil assembly.
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Use a spudger to pry up and disconnect the battery's press connector.
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Use a spudger to pry up and disconnect the primary and secondary interconnect cables' press connectors on the motherboard.
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Use tweezers, or your fingers, to remove the interconnect cables.
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Use a Phillips screwdriver to remove the three 3.4 mm-long screws securing the charging board.
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If you're reassembling with the Samsung Self-Repair kit, be sure to replace the screws with new ones labeled #3428.
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Insert the pointed end of a spudger under the upper left edge of the daughterboard and pry up to release it from its recess.
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Use tweezers, or your fingers, to pull the daughterboard up and away from the bottom of the device and remove it.
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To reassemble your device, follow the instructions in reverse order and perform the opposite actions, e.g., "reattach" instead of "removing." Skip steps that use heating and prying, and pay close attention to the šĀ bullets as you work through the steps.
After you've completed the repair, download the Samsung Members App from the Galaxy Store or the Play Store, and follow the Samsung Self-Repair document (beginning page 10) to make sure your device is fully functional.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didnāt go as planned? Try someĀ basic troubleshooting, or ask our Answers community for help.
To reassemble your device, follow the instructions in reverse order and perform the opposite actions, e.g., "reattach" instead of "removing." Skip steps that use heating and prying, and pay close attention to the šĀ bullets as you work through the steps.
After you've completed the repair, download the Samsung Members App from the Galaxy Store or the Play Store, and follow the Samsung Self-Repair document (beginning page 10) to make sure your device is fully functional.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didnāt go as planned? Try someĀ basic troubleshooting, or ask our Answers community for help.
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