Phone · LG · G8S ThinQ
LG G8S ThinQ Water Damage Repair
Water Damage Repair guide for the LG G8S ThinQ
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Heat gun or iOpener
- Suction handle
- Soft antistatic brush
- Spudger
Parts / materials
- 99% Isopropyl alcohol
- Lint-free microfiber cloth
- Replacement back cover adhesive tape
Safety
- Wear protective eyewear when working with heating tools and isopropyl alcohol.
- Disconnect the battery immediately to cut power and prevent electrical short circuits.
- Work in a well-ventilated area when using high-concentration isopropyl alcohol.
- Wear an anti-static wrist strap grounded to a metal surface to prevent electrostatic discharge.
Overview
Step-by-step
- 1
Eject the SIM Card Tray
1 minInsert a SIM eject tool or paperclip into the pinhole on the right side of the device to remove the tray.
- 2
Heat the Back Glass
3 minApply heat around the rear edges of the phone using a heat gun for 2 to 3 minutes to soften the adhesive.
- 3
Slice Rear Adhesive Seal
5 minPress a suction cup near the bottom edge, insert a plastic opening pick under the glass, and slice along all four edges.
- 4
Remove the Back Cover
2 minCarefully lift the rear glass off the frame and set it aside.
- 5
Unscrew Midframe Assembly
4 minUse a Phillips #00 screwdriver to remove the 14 screws securing the top cover and lower speaker housing.
- 6
Detach Wireless Charging Shield
2 minInsert a spudger under the top plastic shield containing the wireless charging coil and pop it out.
- 7
Disconnect the Battery
1 minPry up the battery flex connector directly from the motherboard using a plastic spudger to prevent short circuits.
- 8
Disconnect Sub-Board Flex Cables
3 minPop off the main interconnect flex cables and display connector from the lower and upper logic boards.
- 9
Remove Rear Cameras
2 minDisconnect the camera press connectors and lift the camera modules out of the chassis using tweezers.
- 10
Remove Motherboard
3 minUnscrew the single motherboard retaining screw and gently lift the main board out of the phone body.
- 11
Scrub Motherboard with Isopropyl Alcohol
10 minSubmerge the motherboard in a shallow bath of 99% isopropyl alcohol and scrub away liquid corrosion using a soft antistatic brush.
- 12
Clean Lower Daughterboard
5 minScrub the lower daughterboard and USB-C port area with isopropyl alcohol to clear away white mineral deposits.
- 13
Dry Circuit Boards Completely
15 minPlace all cleaned board components on a lint-free microfiber cloth and let them air dry completely for at least two hours.
- 14
Reinstall Motherboard and Connectors
5 minSet the dried motherboard back into the frame and firmly reconnect all display, camera, and interconnect flex cables.
- 15
Reattach Shielding and Battery
4 minSnap the battery flex cable back on, place the wireless charging shield back over the board, and tighten all 14 Phillips screws.
- 16
Seal the Back Cover
4 minApply fresh double-sided adhesive along the frame edges, press the rear glass panel firmly into place, and hold pressure for 1 minute.
After your LG G8S ThinQ water damage repair
Power the G8S ThinQ back on and test the water damage 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.
