Samsung Galaxy S21 USB-C Charging Port and Daughterboard Replacement
Einleitung
Zu Schritt 1 der AnleitungUse this guide to replace the USB-C charging port and daughterboard in your Samsung Galaxy S21.
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.
Was du brauchst
Fix Kit
Dieses Kit enthält alle Ersatzteile und Werkzeuge, die für die Anleitung benötigt werden.
Ersatzteile
Werkzeuge
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Insert a SIM eject tool, bit, or straightened paper clip into the SIM card tray hole on the bottom 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 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 up on the suction cup with strong, steady force to create a gap between the back cover and the frame.
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Insert 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 the pick in to prevent the adhesive from resealing.
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Apply a heated iOpener to the back cover's left 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 left edge as possible.
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Pull up on the suction cup with strong, steady force to create a gap between the back cover and the frame.
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Insert an opening pick into the gap.
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Slide an opening pick along the left edge towards the bottom left corner to cut the adhesive.
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Leave the pick in to prevent the adhesive from resealing.
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Apply a heated iOpener to the back cover's right 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 right edge as possible.
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Pull up on the suction cup with strong, steady force to create a gap between the back cover and the frame.
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Insert an opening pick into the gap.
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Slide an opening pick back and forth along the back cover's right edge to cut the adhesive.
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Leave the pick in to prevent the adhesive from resealing.
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Rotate the right-edge opening pick around the top-right corner of the phone.
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Slide the top-most opening pick as close to the camera shell as possible.
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Repeat for the left-edge pick.
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Heat an iOpener and apply it to the camera shell for two minutes.
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There's additional adhesive to the right of the camera that you need to cut through.
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Angle the pick downward to avoid any damage.
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Rotate the back cover counterclockwise to create a gap between the camera shell and the frame.
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Insert an opening pick in the gap.
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Slide an opening pick between the camera shell and the frame to cut the adhesive.
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Line up the opening pick's tip with your phone's flash
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Insert the pick slowly, making sure to avoid the flash's plate.
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Slice the adhesive to the right of the camera.
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In diesem Schritt verwendetes Werkzeug:Tweezers$4.99
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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 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 Phillips screwdriver to remove the five 4 mm-long screws securing the motherboard bracket to the frame.
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In diesem Schritt verwendetes Werkzeug:Tweezers$4.99
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Use a pair of tweezers to gently pull up and unclip the motherboard bracket from the frame.
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While using tweezers, or your fingers, to hold the motherboard bracket out of the way, use a spudger to pry up the battery press connector.
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While holding the motherboard bracket out of the way, use a spudger to pry up and disconnect the wireless charging coil's press connector.
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Use a Phillips screwdriver to remove the six 4 mm-long screws securing the loudspeaker to the frame.
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Insert the point of a spudger into the notch in the top-left corner of the loudspeaker and pry up to release the clips holding it in place.
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Use the flat end of a spudger to pry up and disconnect the primary interconnect cable's press connector.
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Use the flat end of a spudger to pry up and disconnect the secondary interconnect cable's press connector.
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Use a spudger to pry up and disconnect the secondary interconnect cable's press connector.
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Repeat for the main interconnect cable's press connector.
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In diesem Schritt verwendetes Werkzeug:Tweezers$4.99
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Use tweezers or your fingers to remove both cables.
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Use a Phillips screwdriver to remove the three 3.5 mm-long screws securing the daughterboard to the frame.
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Use the point of a spudger to pry up the daughterboard.
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Use your fingers to pull the daughterboard up and away from the bottom of the phone and remove it.
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To reassemble your device, follow these instructions in reverse order.
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 these instructions in reverse order.
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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2 Kommentare
Ive dome this with 3 boards from amazon and ebay and thay all turn off signal. the usb charging port works on replacements but sim and service do not work. Should a new daughter board work instantly? im having to go back to the broken usb port board and charge via wireless for weeks on end since no boards work correctly.
I purchased the "Fix Kit" which includes an OEM daughter board from Samsung. This board worked instantly with no issues. SIM cards in these phones might not work with the un-official boards you're getting from Amazon, or there is another issue causing them not to work for your phone.
You can get away with purchasing the part-only option instead of the whole kit. The only tool included that might be hard to source is the suction cup. Otherwise, you can use a hair dryer, thin plastic pieces (guitar picks are cheap) and a small screw driver to do this repair. Sounds like you would already have all the tools needed.
