Introduction
This guide demonstrates how to remove or replace the USB-C port and daughterboard in the Galaxy S20 Ultra.
You'll need replacement adhesive in order to complete this repair.
What you need
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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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Slide the pick back and forth along the bottom edge to slice through the adhesive.
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Leave your opening pick in the seam to prevent the adhesive from resealing.
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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 to fully separate the back cover adhesive.
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Tool used on this step:Tweezers$4.99
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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.
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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 connector.
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Tool used on this step:Tweezers$4.99
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Use a pair of tweezers to gently peel the wireless charging coil away from the device.
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Remove the wireless charging coil.
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Tool used on this step:Magnetic Project Mat$19.95
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Use a Phillips #00 screwdriver to remove the five 3.9 mm-long screws securing the motherboard bracket.
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Tool used on this step:Tweezers$4.99
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Use a pair of tweezers to unclip and remove the motherboard bracket.
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Use a Phillips #00 screwdriver to remove the five 3.9 mm-long screws securing the loudspeaker and lower midframe.
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Tool used on this step:Tweezers$4.99
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Insert the point of a spudger or a pair of tweezers 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 loudspeaker and lower midframe.
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Use a spudger to pry up and disconnect the main and auxiliary flex cables from the daughterboard near the bottom of the device.
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Use a spudger to pry up and disconnect the main and auxiliary flex cables from the motherboard.
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Gently peel up and remove the main and auxiliary flex cables.
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Use a Phillips #00 screwdriver to remove the three 3.7 mm-long screws securing the USB-C port and daughterboard.
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Tool used on this step:Tweezers$4.99
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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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Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.
To reassemble your device, follow the above steps in reverse order.
After you've completed the repair, follow this guide to test your repair.
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.
Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.
To reassemble your device, follow the above steps in reverse order.
After you've completed the repair, follow this guide to test your repair.
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.
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