Phone · Samsung · Galaxy S20
Samsung Galaxy S20 Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy S20
Before you begin
Tools
- Phillips #000 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Tweezers
Parts / materials
- Replacement Galaxy S20 charging port board
- Pre-cut rear cover adhesive gasket
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses to protect eyes from potential glass splinters when heating and prying.
- Ensure the battery is discharged below 25% to prevent thermal runaway if accidentally punctured.
- Disconnect the battery before touching any internal connectors.
Overview
Step-by-step
- 1
Power off device and eject SIM tray
2 minTurn off your Galaxy S20 completely. Insert a SIM eject tool into the hole at the top edge to remove the SIM/microSD card tray.
- 2
Heat the rear glass panel
3 minUse a heat gun or hair dryer along the edges of the back cover for 2-3 minutes to soften the rear panel adhesive.
- 3
Attach suction cup near bottom edge
2 minPlace a suction cup on the lower portion of the back cover and pull upward firmly to create a small gap.
- 4
Slice adhesive around bottom corner
3 minInsert a plastic opening pick into the gap created by the suction cup and carefully slide it around the bottom corner.
- 5
Slice perimeter adhesive completely
5 minSlide picks along all four edges of the back cover to cut through the remaining adhesive. Reapply heat if the pick sticks.
- 6
Lift off back panel
2 minCarefully tilt and lift the rear glass panel off the phone body. Set it aside on a clean surface.
- 7
Remove motherboard cover screws
3 minUse a Phillips #000 screwdriver to remove the 5 screws holding down the top wireless charging pad cover.
- 8
Detach wireless charging coil
3 minGently peel the wireless charging pad and NFC coil assembly off the motherboard and battery.
- 9
Disconnect battery flex cable
2 minUse the flat end of a spudger to pop the battery connector straight up from its socket on the motherboard.
- 10
Unfasten lower speaker screws
3 minRemove the 5 Phillips #000 screws securing the bottom speaker housing and daughterboard cover.
- 11
Pry out lower speaker assembly
2 minInsert a spudger under the top edge of the speaker module and lift it out of the frame.
- 12
Disconnect main interconnect cable
2 minUse a spudger to pry up the main interconnect ribbon cable press-connector from the bottom daughterboard.
- 13
Disconnect display flex cable
2 minPry up the display ribbon cable connector from the daughterboard using a plastic spudger.
- 14
Unplug antenna coaxial cables
3 minUse precision tweezers to carefully disconnect the red and blue coaxial antenna cables from the daughterboard.
- 15
Remove daughterboard retaining screw
2 minUnscrew the single Phillips #000 screw holding the charging port daughterboard to the frame.
- 16
Pry out charging port daughterboard
3 minInsert a spudger under the edge of the daughterboard and gently lift it up to release it from the chassis.
- 17
Insert replacement daughterboard
3 minPosition the new charging port daughterboard into the bottom well and press it flat into the chassis.
- 18
Fasten daughterboard screw
2 minReinstall the single Phillips #000 screw to secure the new daughterboard to the frame.
- 19
Reconnect coaxial cables and flexes
4 minSnap the red and blue antenna cables back onto their posts, then reattach the main display and interconnect flex connectors.
- 20
Reinstall speaker assembly
2 minPlace the loudspeaker module over the bottom assembly and press down until it sits flush.
- 21
Secure speaker screws
3 minDrive the 5 Phillips #000 screws back into the lower speaker housing to lock it down.
- 22
Reconnect battery flex cable
2 minPress the battery connector directly onto the motherboard socket until it clicks into place.
- 23
Reinstall wireless coil bracket
3 minPosition the wireless charging pad cover and secure it with its 5 Phillips #000 screws.
- 24
Apply back cover adhesive
4 minClean off old adhesive remnants using isopropyl alcohol, then line the perimeter with new pre-cut adhesive.
- 25
Press rear glass into place
3 minAlign the back panel glass carefully over the frame and press around the edges firmly to seal the adhesive.
After your Samsung Galaxy S20 charging port repair
Power the Galaxy S20 back on and test the charging port repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Samsung Galaxy S20 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Samsung Galaxy S20 repair context in the encyclopedia, or open related DIY guides.

