Phone · Samsung · Galaxy Z Flip 4 5G
Samsung Galaxy Z Flip 4 5G Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy Z Flip 4 5G
Before you begin
Tools
- Precision screwdriver set (Phillips #000)
- Plastic prying tools
- Suction cup tool
- Heat gun or hair dryer
- Tweezers
- Spudger tool
Parts / materials
- Replacement Galaxy Z Flip 4 charging port daughterboard
- Pre-cut lower back glass adhesive strips
- Isopropyl alcohol (99%)
Safety
- Disconnect the battery press connector before removing any internal components to prevent short circuits.
- Wear safety glasses while applying heat to glass panels to protect against accidental cracking.
- Do not bend, puncture, or apply direct pressure to the internal battery cells.
Overview
Step-by-step
- 1
Power off the device
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 the lower back panel
2 minApply a heat gun or hair dryer to the edges of the lower rear glass panel for two minutes to soften the adhesive.
- 3
Attach the suction cup
1 minPress a suction cup firmly onto the lower back glass panel near the bottom edge. Pull upward steadily to create a slight gap.
- 4
Insert a plastic pick
2 minInsert a thin plastic opening pick into the gap between the glass panel and the frame.
- 5
Slice the adhesive seal
3 minSlide the plastic pick carefully along all four sides of the lower back panel to sever the internal adhesive.
- 6
Lift away the lower back glass
1 minGently lift the lower back panel straight up off the phone body and set it aside safely.
- 7
Remove speaker housing screws
2 minUse a Phillips #000 screwdriver to remove the screws holding down the lower speaker housing assembly.
- 8
Pry out the speaker assembly
2 minInsert the flat end of a spudger under the speaker module and carefully pry it out of the lower chassis.
- 9
Disconnect the battery flex cable
1 minUse a plastic spudger to pry the lower battery press connector straight up off the daughterboard.
- 10
Disconnect the main interconnect cable
1 minUnplug the main interconnect ribbon cable press connector from the charging port daughterboard.
- 11
Disconnect the coaxial antenna cables
2 minUse precision tweezers to gently unclip the black and white coaxial antenna connectors from the board.
- 12
Remove daughterboard securing screws
2 minUnscrew the Phillips #000 screws securing the charging port daughterboard to the lower frame assembly.
- 13
Extract the original charging port board
2 minInsert a spudger beneath the daughterboard and carefully pry it up from the chassis to remove it.
- 14
Position the new charging port board
2 minSet the new replacement daughterboard into the frame recess, ensuring all alignment posts slot in correctly.
- 15
Fasten daughterboard screws
2 minReinstall and tighten the Phillips #000 screws to secure the new charging port board to the lower frame.
- 16
Reconnect coaxial antenna cables
2 minCarefully align and snap the coaxial antenna connectors back onto their corresponding headers on the board.
- 17
Reconnect the interconnect flex cable
1 minAlign the main interconnect flex connector over its socket and press firmly until it snaps into place.
- 18
Reconnect the battery cable
1 minPress the battery cable press connector straight down onto the daughterboard to restore the power connection.
- 19
Set the speaker module in place
2 minAlign the lower speaker housing over the daughterboard assembly and press it into position.
- 20
Reinstall speaker housing screws
2 minSecure the speaker housing by re-inserting and tightening the remaining Phillips #000 screws.
- 21
Apply new frame adhesive
3 minClean remaining old glue with isopropyl alcohol, then lay down pre-cut adhesive strips along the lower frame edges.
- 22
Press the lower back glass into place
2 minAlign the lower back glass over the frame and press firmly along all edges to secure the water-resistant seal.
After your Samsung Galaxy Z Flip 4 5G charging port repair
Power the Galaxy Z Flip 4 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 4 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 4 5G charging port repair at LML Repair in Seattle — same-day options available.

