Phone · LG · V30s ThinQ
LG V30s ThinQ Water Damage Repair
Water Damage Repair guide for the LG V30s ThinQ
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying picks
- Spudger tool
- Soft brush
- SIM eject tool
- Compressed air
Parts / materials
- 99% Isopropyl alcohol
- Lint-free microfiber cloth
- Pre-cut back cover adhesive
Safety
- Never power on or charge a water-damaged device before thorough cleaning and drying.
- Disconnect the battery immediately upon opening to avoid short-circuiting components.
- Wear eye protection when using compressed air and handling high-concentration alcohol.
Overview
Step-by-step
- 1
Power Down and Remove SIM Tray
2 minTurn off the device completely to prevent short circuits. Insert a SIM eject pin into the tray hole to remove the SIM and microSD card tray.
- 2
Heat the Rear Glass Edges
3 minApply heat with a heat gun or hair dryer around the perimeter of the back glass for 2 to 3 minutes to soften the underlying adhesive.
- 3
Attach Suction Cup to Back Glass
2 minPress a suction cup firmly onto the lower half of the rear glass and gently pull upward to create a small gap.
- 4
Insert Plastic Pick to Slice Adhesive
5 minSlide a thin plastic opening pick into the gap and slice along the outer edges to separate the adhesive.
- 5
Remove the Rear Glass Panel
2 minCarefully lift the rear glass off the body and set it aside on a clean work surface.
- 6
Unscrew the Plastic Midframe
4 minUse a Phillips #00 screwdriver to remove the 10 screws securing the plastic midframe and wireless charging pad.
- 7
Pry and Remove Wireless Charging Midframe
3 minInsert the flat end of a spudger under the midframe edge and gently pop the frame out of the phone chassis.
- 8
Disconnect the Battery Cable
1 minPry the battery flex connector straight up from the motherboard using a plastic spudger.
- 9
Disconnect All Motherboard Flex Cables
3 minDisconnect the display, front camera, rear camera, and daughterboard flex cables using a spudger tool.
- 10
Lift Out the Motherboard
2 minGently lever the motherboard out of the frame using a plastic spudger, taking care not to snag remaining cables.
- 11
Soak Motherboard in Isopropyl Alcohol
10 minSubmerge the motherboard in a clean dish filled with 99% Isopropyl alcohol for 5 to 10 minutes to displace trapped liquid.
- 12
Scrub Visible Corrosion
5 minUse a soft brush to gently scrub away corrosion deposits from the board surface, chips, and connector contacts.
- 13
Dry Component with Compressed Air
3 minBlow short bursts of compressed air across the board to remove remaining alcohol, then allow it to dry completely.
- 14
Reassemble Motherboard and Test
8 minReinstall the dry motherboard into the chassis, reconnect all flex cables, and secure the battery before testing power.
After your LG V30s ThinQ water damage repair
Power the V30s 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 V30s 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 V30s ThinQ repair context in the encyclopedia, or open related DIY guides.

