Phone · Samsung · Galaxy S4
Samsung Galaxy S4 Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy S4
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic prying tools
- Spudger tool
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement Galaxy S4 charging port flex cable
- Isopropyl alcohol (99%)
- Double-sided repair adhesive tape
Safety
- Always remove the battery before handling internal electronic connectors to prevent electrical shorts.
- Wear an anti-static wrist strap to avoid electrostatic discharge damage to delicate logic board components.
- Do not puncture or bend the battery during removal to avoid thermal damage or fire hazard.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the Power button, then tap Turn Off to ensure the phone is completely shut down.
- 2
Remove the rear cover
1 minInsert a fingernail or plastic opening pick into the pry notch near the power button to unclip and remove the back panel.
- 3
Lift out the battery
1 minPry the battery upward from the recess at the bottom edge and remove it from the battery well.
- 4
Eject SIM and microSD cards
1 minPress down slightly and slide out any installed SIM card and microSD card from their respective metal trays.
- 5
Unscrew the midframe
3 minUse a Phillips #00 screwdriver to remove the nine identical screws securing the internal midframe housing.
- 6
Unclip the midframe
3 minInsert a plastic pry tool between the chrome bezel and the display assembly, running it along the perimeter to release the plastic clips.
- 7
Disconnect the display connector
1 minUse a spudger to pop the display press connector straight up off the top right of the motherboard.
- 8
Disconnect the front camera and sensor connectors
2 minPry up the front-facing camera, sensor array, and earpiece speaker ribbon cable connectors from the motherboard.
- 9
Disconnect the lower antenna coaxial cable
1 minGently pry up the gold antenna cable connector located near the bottom right of the motherboard.
- 10
Disconnect the main charging port flex connector
1 minPop the wide charging port assembly ribbon connector off the bottom section of the motherboard.
- 11
Remove the motherboard retaining screw
1 minRemove the single black Phillips #00 screw holding the upper section of the motherboard to the frame.
- 12
Lift out the motherboard
2 minCarefully tilt up the top edge of the motherboard and lift it clear of the chassis, taking care not to snag any lingering cables.
- 13
Unpeel the soft key ribbon cables
2 minUse tweezers to carefully pry the left Menu key and right Back key ribbon cables off the lower frame adhesive.
- 14
Pry up the damaged charging port board
2 minInsert a flat spudger underneath the micro-USB board assembly and pry it off the adhesive backing inside the bottom case.
- 15
Adhere the new charging port assembly
2 minAlign the micro-USB port with the bottom cutout and press the new charging port flex board firmly into position.
- 16
Reattach the soft key ribbon cables
2 minPlace and press the Menu and Back touch sensor ribbons onto their adhesive mounting pads on the new daughterboard.
- 17
Reinstall the motherboard and reconnect cables
3 minLower the motherboard into place and firmly press down all connector flexes until they snap onto the board.
- 18
Fasten the motherboard screw and snap the midframe
3 minReinstall the single motherboard screw, then press the midframe onto the frame until all perimeter clips engage securely.
- 19
Reinstall screws and outer components
2 minTighten the nine midframe Phillips screws, insert the SIM/microSD cards and battery, then snap the rear cover back on.
After your Samsung Galaxy S4 charging port repair
Power the Galaxy S4 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 S4 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 S4 repair context in the encyclopedia, or open related DIY guides.

