Phone · LG · G8X ThinQ
LG G8X ThinQ Charging Port Repair
Charging Port Repair guide for the LG G8X ThinQ
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup
- Opening picks
- Plastic spudger
- Tweezers
- SIM card eject tool
Parts / materials
- LG G8X ThinQ replacement charging port board
- Pre-cut back glass adhesive tape
- High-concentration isopropyl alcohol (90%+)
Safety
- Disconnect the battery before servicing internal component boards to prevent electrical shorts.
- Wear eye protection when heating and prying glass panels.
- Keep heat gun temperatures below 80°C (176°F) to avoid damaging internal components.
Overview
Step-by-step
- 1
Eject SIM card tray
1 minInsert a SIM eject tool into the hole at the top edge of the device. Push firmly to eject the tray and remove it.
- 2
Heat the rear glass
3 minApply a heat gun or heated pad around the edges of the back glass for two minutes to soften the adhesive.
- 3
Attach a suction cup
1 minPlace a suction cup on the lower third of the rear glass and pull upward firmly to create a gap.
- 4
Insert an opening pick
1 minInsert a thin opening pick into the gap between the rear glass and the frame at the bottom edge.
- 5
Slice the perimeter adhesive
4 minSlide the pick carefully around all four sides of the phone to cut through the glass adhesive.
- 6
Remove the back glass
1 minLift the rear panel completely off the device and set it aside on a clean surface.
- 7
Unscrew the upper midframe
3 minRemove the ten Phillips #00 screws securing the upper wireless charging assembly.
- 8
Remove the wireless charging coil
2 minPry up the edge of the wireless charging cover with a spudger and remove the panel.
- 9
Disconnect the battery cable
1 minUse a plastic spudger to detach the battery press-connector from the motherboard.
- 10
Unscrew the lower speaker housing
2 minRemove the six Phillips #00 screws securing the loudspeaker module at the bottom of the phone.
- 11
Remove the loudspeaker module
2 minInsert a spudger under the lower speaker module and lift it out of the chassis.
- 12
Disconnect the interconnect flex cable
1 minPry up the main flex cable connector from the bottom charging port sub-board.
- 13
Disconnect the antenna coaxial cables
2 minUse tweezers to carefully pop off the white and black coaxial cables from the sub-board terminals.
- 14
Unscrew the sub-board
1 minRemove the single Phillips #00 screw securing the charging port sub-board to the frame.
- 15
Pry out the old sub-board
2 minSlide a plastic opening tool underneath the charging port sub-board and lift it out.
- 16
Place the replacement sub-board
2 minAlign the new USB-C charging board with the recess in the lower frame and press it gently into place.
- 17
Secure the sub-board screw
1 minReinstall the single Phillips #00 screw to anchor the sub-board to the chassis.
- 18
Reconnect coaxial cables
2 minAlign and snap the white and black antenna connectors onto their matching sub-board sockets.
- 19
Reconnect the main flex cable
1 minPress the interconnect flex cable down onto the sub-board connector until it snaps into place.
- 20
Reinstall the loudspeaker
2 minSet the loudspeaker module into place and secure it with the six Phillips #00 screws.
- 21
Reconnect the battery cable
1 minPress the battery connector into its socket on the upper motherboard.
- 22
Reinstall the wireless charging cover
3 minPosition the upper midframe assembly and tighten the ten Phillips #00 screws.
- 23
Apply new glass adhesive
3 minClean remaining old glue with isopropyl alcohol and lay new pre-cut adhesive tape along the frame edges.
- 24
Press back glass into place
2 minAlign the rear glass precisely over the phone frame and press firmly along the perimeter to seal it.
After your LG G8X ThinQ charging port repair
Power the G8X ThinQ 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 LG G8X ThinQ job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more LG G8X ThinQ repair context in the encyclopedia, or open related DIY guides.

