Phone · Samsung · Galaxy S25 Ultra
Samsung Galaxy S25 Ultra Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy S25 Ultra
Before you begin
Tools
- Heat gun or iOpener
- Suction handle
- Opening picks
- Phillips #00 screwdriver
- Precision tweezers
- Plastic spudger
- SIM eject tool
Parts / materials
- Replacement Galaxy S25 Ultra USB-C daughterboard
- Pre-cut rear glass adhesive gasket
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses while working near glass to protect against glass splinters.
- Disconnect the battery flex connector immediately after opening to prevent electrical short circuits.
- Avoid using sharp metallic tools near flex cables and internal battery cells.
Overview
Step-by-step
- 1
Eject the SIM card tray
1 minInsert a SIM eject tool into the pinhole on the bottom frame. Push firmly to pop out and remove the SIM tray.
- 2
Remove the S Pen
1 minPress in on the S Pen top button until it clicks out. Pull the stylus completely out of its slot and set it aside.
- 3
Heat the back cover
3 minApply a heated iOpener or heat gun around all edges of the rear glass for two minutes to soften the adhesive.
- 4
Attach a suction handle
1 minPlace a suction cup on the lower third of the back glass above the USB port. Press down firmly to secure suction.
- 5
Insert an opening pick
2 minPull up on the suction handle to create a tiny gap at the bottom edge. Slide the tip of an opening pick into the gap.
- 6
Slice the bottom adhesive
2 minSlide the opening pick along the bottom edge of the device to cut through the perimeter adhesive.
- 7
Slice the side adhesive
3 minGuide the pick around the bottom corners and up both sides of the phone. Keep the pick insertion depth shallow to protect internal cables.
- 8
Slice the top adhesive
2 minSlide the pick across the top edge to slice the remaining glue. Carefully separate the back glass from the chassis.
- 9
Remove the rear glass
2 minLift the rear glass off the frame completely. Set it on a clean surface and remove old adhesive remnants with isopropyl alcohol.
- 10
Unscrew the loudspeaker cover
2 minUse a Phillips #00 screwdriver to remove the screws holding down the lower loudspeaker housing.
- 11
Remove the loudspeaker assembly
2 minInsert the tip of a spudger under the edge of the loudspeaker assembly. Lift and remove it from the lower case.
- 12
Unscrew the midframe shield
3 minRemove the Phillips #00 screws securing the wireless charging coil and upper midframe shield.
- 13
Disconnect the battery press connector
1 minPry the battery connector straight up from the motherboard using a plastic spudger. This cuts power to prevent short circuits.
- 14
Remove the wireless charging pad
2 minGently peel up and remove the wireless charging coil pad along with the attached upper shield plate.
- 15
Disconnect the main flex cable
1 minUse the pointed end of a spudger to detach the main interconnect ribbon cable from the USB-C daughterboard.
- 16
Disconnect the display cable
1 minPry up the display flex cable press-connector located on the left side of the daughterboard.
- 17
Disconnect the antenna coaxial cables
2 minUse precision tweezers to lift the coaxial antenna connectors straight up from the daughterboard.
- 18
Unscrew the USB-C daughterboard
2 minRemove the Phillips #00 screws securing the charging port board to the frame.
- 19
Remove the old USB-C board
2 minInsert a spudger beneath the board and gently lift the damaged USB-C daughterboard out of the frame.
- 20
Seat the replacement daughterboard
2 minPosition the new USB-C daughterboard in the lower chassis and press it gently into place.
- 21
Fasten the daughterboard screws
2 minReinstall and tighten the Phillips #00 screws to hold the replacement daughterboard securely.
- 22
Reconnect flex and antenna cables
3 minPress down the display flex cable, main interconnect cable, and coaxial antenna leads onto their matching board sockets.
- 23
Reinstall loudspeaker and midframe
3 minPlace the loudspeaker and midframe shields back over the components, then press the battery flex back onto its motherboard socket.
- 24
Secure screws and reseal back glass
4 minReinstall all housing screws, apply new pre-cut back panel adhesive strips, and press the back glass firmly shut.
After your Samsung Galaxy S25 Ultra charging port repair
Power the Galaxy S25 Ultra 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 S25 Ultra 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 S25 Ultra repair context in the encyclopedia, or open related DIY guides.

