Phone · Samsung · Galaxy Z Flip 3 5G
Samsung Galaxy Z Flip 3 5G Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy Z Flip 3 5G
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening picks
- Plastic spudger
- Precision tweezers
- Suction cup
- Heat gun or iOpener
Parts / materials
- Replacement Galaxy Z Flip 3 5G charging port daughterboard
- Pre-cut back cover adhesive gasket
- High-purity isopropyl alcohol (90%+)
Safety
- Wear protective eyewear during heating and glass separation steps to prevent eye injury.
- Discharge device battery below 25% prior to disassembly to reduce fire risk if punctured.
- Use non-conductive plastic tools near exposed battery connectors to prevent short circuits.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the Power and Volume Down buttons, then select Power Off on the screen. Ensure the device is fully shut down before proceeding.
- 2
Heat Lower Glass
3 minApply heat to the bottom rear glass panel using a heat gun or iOpener for 2 to 3 minutes. This softens the factory adhesive holding the back cover.
- 3
Attach Suction Handle
2 minPress a suction cup onto the lower portion of the heated glass panel. Pull gently upward to create a subtle gap between the glass and frame.
- 4
Slice Glass Adhesive
4 minInsert an opening pick into the gap created by the suction cup. Carefully slide the pick around the edges of the bottom glass to cut the adhesive.
- 5
Remove Lower Back Cover
1 minLift the lower glass panel off the device once all edges are freed. Set the glass panel aside on a clean surface.
- 6
Unscrew Speaker Bracket
3 minUse a Phillips #00 screwdriver to remove the six screws securing the lower speaker housing. Store the screws safely for reassembly.
- 7
Remove Speaker Housing
2 minInsert a plastic spudger under the top edge of the speaker bracket and pry up gently. Remove the speaker bracket to expose the daughterboard.
- 8
Disconnect Battery Cable
1 minPry the lower battery connector straight up from its socket on the daughterboard using a plastic spudger. Disconnecting the power prevents electrical shorting.
- 9
Disconnect Main Interconnect Flex
2 minUse your plastic spudger to detach the main ribbon flex connector from the charging port daughterboard. Pry straight up to avoid bending the pins.
- 10
Disconnect Antenna Coaxial Cables
2 minUnclip the blue and white antenna coaxial cables from their sockets on the daughterboard using precision tweezers. Pry upward near the circular connector heads.
- 11
Remove Board Retaining Screws
2 minRemove the two Phillips #00 screws holding the charging port sub-board to the lower chassis frame.
- 12
Pry Up Charging Board
2 minInsert the flat edge of your spudger beneath the charging board assembly. Carefully pry upward to free the sub-board from light frame adhesive.
- 13
Transfer Rubber Gaskets
2 minUse tweezers to peel the microphone rubber boot off the old board. Move the gasket onto the microphone port of the new replacement board.
- 14
Insert New Charging Board
2 minSet the new charging port sub-board into the lower housing frame. Press down gently until it sits flush against the alignment pins.
- 15
Secure Board Screws
2 minReinstall the two Phillips #00 screws to anchor the new charging board firmly to the frame.
- 16
Reconnect Antenna Cables
2 minAlign the coaxial antenna connectors over their board sockets and press down firmly with tweezers until they click into place.
- 17
Reconnect Main Interconnect Flex
2 minAlign the main flex connector over its terminal on the daughterboard and press straight down until it snaps closed.
- 18
Reconnect Battery Cable
1 minPress the lower battery flex connector down into its socket on the board to restore power connections.
- 19
Reinstall Speaker Housing
2 minPlace the speaker assembly bracket over the lower board and press down to align it with the screw holes.
- 20
Secure Speaker Screws
3 minDrive the six Phillips #00 screws back into the speaker housing until snug. Do not overtighten.
- 21
Clean Adhesive Residue
3 minClean remaining adhesive off the frame edges and back cover using lint-free pads dipped in isopropyl alcohol.
- 22
Apply Replacement Adhesive
2 minPeel and align pre-cut rear cover adhesive strips onto the lower phone frame. Remove the protective film layer.
- 23
Seal Rear Cover
2 minAlign the lower rear glass panel over the frame and press firmly around all edges to bond the new adhesive seal.
After your Samsung Galaxy Z Flip 3 5G charging port repair
Power the Galaxy Z Flip 3 5G 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 Z Flip 3 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Samsung Galaxy Z Flip 3 5G charging port repair at LML Repair in Seattle — same-day options available.

