Phone · LG · G8S ThinQ
LG G8S ThinQ Logic Board Repair
Logic Board Repair guide for the LG G8S ThinQ
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic opening picks
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement LG G8S ThinQ logic board
- Pre-cut rear glass adhesive strips
- Isopropyl alcohol (99%)
Safety
- Wear protective eye gear to prevent injury if cracked glass splinters during heating.
- Always disconnect the battery connector before handling logic board components to prevent electrical shorts.
- Do not puncture or bend the lithium-ion battery while prying near internal components.
Overview
Step-by-step
- 1
Eject SIM Card Tray
1 minInsert a SIM eject tool into the hole on the right edge of the phone to pop out the SIM and microSD card tray.
- 2
Heat Rear Glass Edges
3 minApply heat to the outer edges of the back glass for two minutes using a hair dryer or heat gun to soften the adhesive.
- 3
Apply Suction Cup
2 minPress a suction cup onto the lower half of the rear cover and pull gently upwards to create a thin seam.
- 4
Slice Back Glass Adhesive
5 minInsert a plastic opening pick into the gap and carefully slide it around the perimeter to slice through the adhesive.
- 5
Remove Rear Glass Cover
1 minLift the rear glass panel away from the frame once all sides are unsealed.
- 6
Unscrew Midframe Assembly
4 minUse a Phillips #00 screwdriver to remove the 14 screws securing the plastic midframe shield and wireless charging coil.
- 7
Remove Wireless Charging Pad
2 minPry up the edges of the wireless charging assembly and lift it off the chassis.
- 8
Disconnect Battery Connector
1 minUse the flat end of a plastic spudger to disconnect the battery press-fit connector from the logic board.
- 9
Disconnect Front Camera Modules
2 minPop off the press connectors for the front selfie camera and the Z Camera (ToF sensor) using a spudger.
- 10
Unplug Display and Lower Flex Cables
2 minDisconnect the main display flex cable and the ribbon cable connecting the lower daughterboard to the motherboard.
- 11
Disconnect Rear Camera Array
3 minUnclip the press connectors for the triple rear camera assembly and gently lift the cameras out of the housing.
- 12
Pry Up Motherboard
2 minInsert a spudger beneath the top edge of the logic board and gently pry it out of the frame recess.
- 13
Set New Logic Board
3 minLower the replacement logic board into the phone frame, ensuring all flex cables sit above the board.
- 14
Reconnect All Hardware Flex Cables
4 minSnap the rear camera, front sensor modules, display, and interconnect cables firmly back onto the new board.
- 15
Connect Battery Cable
1 minPress the battery cable connector back into its socket on the logic board to restore power.
- 16
Reinstall Midframe and Screws
4 minPlace the wireless charging midframe back over the motherboard and tighten all 14 Phillips screws.
- 17
Reseal Back Glass
4 minApply new adhesive tape around the frame perimeter and press the rear glass panel down firmly to seal.
After your LG G8S ThinQ logic board repair
Power the G8S ThinQ back on and test the logic board 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.
