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Use this guide to replace the USB-C charging port and daughterboard in your Samsung Galaxy S20.
The USB-C port is soldered to the daughterboard, so this repair will require you to replace the entire daughterboard.
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.
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Heat an iOpener and apply it to the back cover's bottom edge for two minutes.
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Apply a suction cup to the back of the phone, as close to the center of the bottom edge as possible.
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Pull on the suction cup with strong, steady force to create a gap between the back cover and the frame.
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Insert the point of an opening pick into the gap.
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Apply a heated iOpener to the left edge of the back cover for two minutes.
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Apply a suction cup to the back of the phone, as close to the center of the left edge as possible.
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Pull on the suction cup with strong, steady force to create a gap between the back cover and the frame.
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Insert the point of an opening pick into the gap.
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You can try also applying a few drops of high concentration (over 90%) isopropyl alcohol into the seam to help loosen the adhesive.
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Apply a heated iOpener to the right edge of the back cover for two minutes.
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Apply a suction cup to the back of the phone, as close to the center of the right edge as possible.
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Pull on the suction cup with strong, steady force to create a gap between the back cover and the frame.
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Insert the point of an opening pick into the gap.
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Apply a heated iOpener to the top edge of the back cover for two minutes.
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Gradually slide the pick from the right edge of the device around the top right corner.
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Continue slicing along the top edge all the way to the top left corner to fully separate the back cover adhesive.
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Lift the back cover slowly. Use opening picks to slice any remaining adhesive.
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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. Apply heat if you're having trouble separating the adhesive.
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If you're using Samsung custom-cut adhesives, follow this guide.
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If you're using double-sided tape, follow this guide.
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Use a spudger to pry up and disconnect the wireless charging coil's press connector on the motherboard.
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Use a Phillips #00 screwdriver to remove the five 4 mm-long screws securing the motherboard bracket.
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Use a pair of blunt-nose tweezers to gently pull up and unclip the motherboard bracket from the plastic midframe.
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Use a Phillips #00 screwdriver to remove the five 4 mm-long screws securing the loudspeaker and lower midframe.
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Insert the point of a spudger into the notch in the top left corner of the midframe and pry up to release the clips holding it in place.
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Insert the point of a spudger into the notch in the top left corner of the midframe and pry up to release the clips holding it in place.
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Remove the wireless charging coil.
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Use a spudger to pry up and disconnect the battery's press connector on the motherboard.
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Use a spudger to pry up and disconnect the primary and secondary flex cables from the motherboard.
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Use a Phillips #00 screwdriver to remove the three 3.4 mm-long screws securing the USB-C port and daughterboard.
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Insert the pointed end of a spudger under the left edge of the daughterboard and pry up to release it from its recess.
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Use a pair of tweezers 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 📌 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 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 didn’t go as planned? Check out our Answers community for troubleshooting 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 📌 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 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 didn’t go as planned? Check out our Answers community for troubleshooting help.