Phone · LG · V50 ThinQ 5G
LG V50 ThinQ 5G Charging Port Repair
Charging Port Repair guide for the LG V50 ThinQ 5G
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #000, #00)
- Spudger tool
- Tweezers
- Anti-static wrist strap
Parts / materials
- Pre-cut rear cover adhesive tape
- Isopropyl alcohol (99%)
Safety
- Wear protective eye glasses when heating and removing glass panels to prevent injury from shards.
- Disconnect the battery flex cable before handling internal components to avoid electrical short circuits.
- Avoid using sharp metal tools directly against the battery to prevent punctures or thermal failure.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the device is fully shut down before proceeding.
- 2
Eject the SIM tray
1 minInsert a SIM eject tool into the hole on the side of the phone. Push firmly to eject the SIM card tray and remove it.
- 3
Heat the rear glass edges
2 minApply heat to the edges of the back cover using a heat gun for about two minutes. Softening the perimeter adhesive makes glass removal easier.
- 4
Attach suction cup
1 minPlace a suction cup on the lower portion of the rear glass cover. Pull up gently on the handle to create a small gap.
- 5
Insert an opening pick
2 minInsert a thin plastic opening pick into the gap created by the suction cup. Do not insert it deeper than 3 millimeters to avoid damaging internal components.
- 6
Slice perimeter adhesive
4 minSlide the opening pick around all four edges of the rear cover. Reapply heat if the adhesive becomes tough to cut.
- 7
Disconnect fingerprint sensor flex
2 minSlightly lift the rear cover to access the fingerprint sensor ribbon cable underneath. Use a spudger to gently pop off the press connector.
- 8
Remove the rear cover
1 minLift the rear glass cover completely off the phone body. Place it on a clean, soft surface.
- 9
Unscrew upper motherboard shield
3 minRemove the ten Phillips #000 screws securing the plastic upper cover and wireless charging coil. Keep screws organized by size.
- 10
Remove upper shield and coil
2 minPry up the upper plastic shield using a spudger. Lift the assembly along with the wireless charging pad out of the frame.
- 11
Unscrew lower loudspeaker module
2 minRemove the five Phillips #000 screws securing the bottom speaker housing. These screws keep the speaker assembly fixed over the port board.
- 12
Remove loudspeaker housing
2 minInsert a spudger under the edge of the loudspeaker assembly. Lift and remove the module to reveal the charging port sub-board.
- 13
Disconnect the battery flex
1 minPry up the battery press connector from the mainboard using a spudger. Disconnecting power prevents short circuits during repair.
- 14
Disconnect charging port main ribbon
1 minUse a spudger to detach the main ribbon cable connector from the charging port board. Gently tilt the connector up to release.
- 15
Disconnect antenna coaxial cables
2 minUse fine tweezers to carefully pry up the white and blue antenna cable heads from the port board. Lift straight up to avoid damaging the sockets.
- 16
Unscrew charging port sub-board
1 minRemove the single Phillips #000 screw holding the charging port assembly to the frame. Set the screw aside safely.
- 17
Pry up damaged charging port board
2 minInsert a plastic spudger beneath the charging port board edge. Gently pry up to break any underlying adhesive and lift the board out.
- 18
Clean port housing recess
2 minUse isopropyl alcohol on a cotton swab to clean residual adhesive or dirt from the sub-board recess. Ensure the area is dry before installing the new component.
- 19
Position new charging port assembly
2 minPlace the replacement charging port board into the frame recess. Align the USB-C port carefully with the cutout in the frame.
- 20
Secure port board screw
1 minReinsert and tighten the Phillips #000 screw to hold the charging port board firmly in place. Do not overtighten.
- 21
Reconnect antenna coaxial cables
2 minAlign the antenna cable connectors over their sockets on the new port board. Press down gently with tweezers or a spudger until they snap into place.
- 22
Attach charging port flex cable
1 minAlign the main flex connector over its socket on the port board. Press firmly until it clicks into place.
- 23
Reconnect battery flex cable
1 minAlign and press down the battery ribbon cable connector onto the mainboard socket. Ensure a secure connection.
- 24
Reinstall loudspeaker housing
2 minSet the loudspeaker module back into place over the lower assembly. Secure it using the five Phillips #000 screws removed earlier.
- 25
Reinstall upper shield assembly
3 minPlace the upper motherboard shield and wireless charging pad back on the chassis. Fasten the ten Phillips #000 screws.
- 26
Reconnect fingerprint sensor ribbon
2 minHold the rear cover close to the frame and snap the fingerprint sensor connector back onto the mainboard.
- 27
Apply adhesive and seal rear glass
3 minApply new custom pre-cut adhesive to the perimeter of the rear frame. Press the back glass firmly onto the frame to seal the device.
After your LG V50 ThinQ 5G charging port repair
Power the V50 ThinQ 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 LG V50 ThinQ 5G 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 V50 ThinQ 5G repair context in the encyclopedia, or open related DIY guides.

