Phone · Samsung · Galaxy Z Flip 4G
Samsung Galaxy Z Flip 4G Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy Z Flip 4G
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup
- Plastic opening picks
- Spudger
- Tweezers
- SIM eject tool
Parts / materials
- Replacement Galaxy Z Flip 4G charging port board
- Pre-cut back glass adhesive strips
- 99% Isopropyl alcohol
Safety
- Wear an anti-static wrist strap to prevent electrostatic damage to delicate components.
- Disconnect the battery press connector before touching internal micro-components.
- Handle heated glass carefully using protective gloves to avoid burn or cut hazards.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the Power and Volume Down buttons, then tap Power Off on the screen.
- 2
Eject the SIM Tray
1 minInsert a SIM eject pin into the hole on the left edge of the phone to pop out the tray.
- 3
Heat the Lower Rear Glass
2 minApply a heat gun on low setting to the lower back panel for two minutes to soften the adhesive.
- 4
Attach Suction Handle
1 minPlace a suction cup near the bottom edge of the lower back glass panel and pull gently upward.
- 5
Insert Opening Pick
2 minSlide a thin plastic opening pick into the gap created between the glass and the outer frame.
- 6
Slice Lower Glass Adhesive
3 minCarefully slide the pick around the perimeter of the lower back glass panel to separate the glue.
- 7
Remove Lower Back Glass
1 minLift the lower back glass panel straight off the phone and set it aside safely.
- 8
Unscrew Speaker Enclosure
2 minUse a Phillips #00 screwdriver to remove the screws securing the lower speaker cover assembly.
- 9
Pry Out Speaker Enclosure
2 minInsert a spudger under the edge of the speaker module and carefully pry it out of the chassis.
- 10
Disconnect Lower Battery Cable
1 minUse the flat end of a spudger to pry the lower battery flex connector straight up from its socket.
- 11
Disconnect Main Interconnect Cable
1 minPry up the main interconnect ribbon cable connector from the daughterboard using a plastic spudger.
- 12
Disconnect Antenna Coaxial Cables
2 minUse precision tweezers to gently unsnap the coaxial antenna cables from the daughterboard.
- 13
Remove Sub-Board Screws
2 minRemove the Phillips screws securing the USB-C daughterboard assembly to the bottom housing.
- 14
Remove Damaged Charging Port Board
2 minGently pry up the bottom daughterboard using a spudger and remove it from the device.
- 15
Install New Charging Port Board
2 minPosition the new USB-C daughterboard into the lower recess of the phone frame.
- 16
Secure Sub-Board Screws
2 minReinstall and tighten the Phillips screws to hold the new charging port board in place.
- 17
Reconnect Antenna Cables
2 minAlign and press the coaxial antenna cable heads firmly onto their board connectors using tweezers.
- 18
Reconnect Main Interconnect Cable
1 minSnap the main interconnect flex cable straight down onto the new daughterboard socket.
- 19
Reconnect Battery Cable
1 minPress the lower battery flex connector straight down into its socket until it clicks.
- 20
Reinstall Speaker Enclosure
2 minAlign the speaker module over the sub-board assembly and secure all Phillips screws firmly.
- 21
Reapply Rear Glass Adhesive
3 minClean remaining glue with isopropyl alcohol and apply a pre-cut adhesive strip to the lower glass.
- 22
Press Rear Glass Into Place
2 minAlign the lower back glass panel over the frame and press firmly along all edges to seat.
- 23
Reinsert SIM Tray
1 minSlide the SIM card tray back into its slot until flush with the device housing.
After your Samsung Galaxy Z Flip 4G charging port repair
Power the Galaxy Z Flip 4G 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 4G 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 4G charging port repair at LML Repair in Seattle — same-day options available.

