Phone · LG · G8S ThinQ
LG G8S ThinQ Speaker Repair
Speaker Repair guide for the LG G8S ThinQ
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic opening picks
- Spudger tool
- Precision screwdriver set (Phillips #00)
- Tweezers
- SIM eject tool
Parts / materials
- Replacement loudspeaker module
- Pre-cut back cover adhesive
- Isopropyl alcohol (91% or higher)
Safety
- Wear eye protection to guard against sharp glass splinters if the back cover is cracked.
- Do not heat the rear glass above 80°C (176°F) to avoid damaging internal components.
- Handle the lithium-ion battery area with care to avoid punctures or sharp pressure.
Overview
Step-by-step
- 1
Power off the phone
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the device is completely powered down before proceeding.
- 2
Eject the SIM card tray
1 minInsert a SIM eject tool into the hole beside the SIM tray on the side of the phone. Push firmly to eject the tray and remove it.
- 3
Heat the rear glass panel
2 minApply heat from a heat gun evenly around the perimeter of the back glass for 2 minutes to soften the internal adhesive.
- 4
Attach a suction cup
1 minPress a suction cup firmly onto the lower section of the rear glass panel. Pull gently upward to create a small gap along the bottom edge.
- 5
Insert an opening pick
1 minSlide a thin plastic opening pick into the seam opened by the suction cup at the bottom edge of the device.
- 6
Slice perimeter adhesive
3 minSlide the pick around all four edges of the phone to cut through the adhesive. Reheat the glass if resistance increases.
- 7
Hinge the back cover open
2 minSlightly lift the rear panel from the right edge like a book cover. Do not pull it away completely yet, as a ribbon cable remains attached.
- 8
Disconnect the fingerprint sensor
1 minUse the flat end of a spudger to gently pop the fingerprint sensor ribbon cable straight up off its motherboard connector.
- 9
Remove the rear panel
1 minLift the rear glass cover completely off the phone body and place it on a clean workspace.
- 10
Unscrew the loudspeaker assembly
3 minUse a Phillips #00 screwdriver to remove the six screws securing the lower loudspeaker module to the frame.
- 11
Remove the old loudspeaker
2 minInsert a spudger underneath the notch on the speaker module and gently pry upward to free it from the chassis.
- 12
Position the replacement speaker
2 minPlace the new loudspeaker module into the lower frame recess and press down firmly until it sits flush.
- 13
Reinstall the assembly screws
3 minInsert and tighten the six Phillips #00 screws to secure the loudspeaker housing to the lower chassis.
- 14
Reconnect the fingerprint sensor flex
1 minAlign the fingerprint sensor press connector over its motherboard socket and press down firmly until it snaps into place.
- 15
Apply new rear panel adhesive
3 minClean off old adhesive remnants with isopropyl alcohol, then apply new custom pre-cut adhesive strips along the phone frame.
- 16
Seal the rear glass panel
2 minAlign the back panel carefully over the phone body and press down firmly around all edges to seat the adhesive.
After your LG G8S ThinQ speaker repair
Power the G8S ThinQ back on and test the speaker 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 G8S 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 G8S ThinQ repair context in the encyclopedia, or open related DIY guides.

