Phone · Motorola · G8 Plus
Motorola G8 Plus Water Damage Repair
Water Damage Repair guide for the Motorola G8 Plus
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Opening picks
- Spudger tool
- Tweezers
- SIM eject tool
- Soft brush
Parts / materials
- 99% Isopropyl alcohol
- Pre-cut rear cover adhesive
- Lint-free microfiber cloth
Safety
- Disconnect the battery cable immediately after opening the device to prevent short circuits.
- Work in a well-ventilated area when using high-concentration isopropyl alcohol.
- Wear protective eyewear and an anti-static wrist strap during disassembly.
Overview
Step-by-step
- 1
Power off device
1 minTurn off the Motorola G8 Plus immediately to prevent electrical short circuits caused by water.
- 2
Eject SIM tray
1 minInsert a SIM eject tool into the hole on the left edge of the frame and remove the SIM/microSD card tray.
- 3
Heat rear panel
2 minApply a heat gun or hair dryer evenly along the edges of the back cover for two minutes to soften the adhesive.
- 4
Attach suction cup
2 minPress a suction cup onto the lower portion of the back cover and pull upward firmly to create a small gap.
- 5
Slice rear adhesive
5 minInsert a plastic opening pick into the gap and slide it along all sides to slice through the adhesive seal.
- 6
Disconnect fingerprint cable
3 minCarefully lift the rear panel slightly and use a spudger to pop off the fingerprint sensor flex cable connector from the motherboard.
- 7
Remove midframe screws
5 minUse a Phillips #00 screwdriver to remove all visible screws securing the internal plastic midframe to the chassis.
- 8
Detach plastic midframe
3 minInsert a spudger around the edges of the plastic midframe and gently unclip it from the phone body.
- 9
Disconnect battery cable
1 minPry the battery press connector straight up off the motherboard using a plastic spudger to cut power immediately.
- 10
Disconnect motherboard flexes
3 minUnplug the display cable, interconnect flex cable, and coaxial antenna cables from the main circuit board.
- 11
Extract main motherboard
4 minUnscrew any remaining motherboard retention screws and lift the board out using flat tweezers.
- 12
Extract charging sub-board
3 minRemove the bottom speaker assembly screws and lift out the lower sub-board containing the USB-C port.
- 13
Scrub main board
10 minSubmerge the main motherboard in 99% isopropyl alcohol and gently scrub all visible corrosion using a soft-bristled brush.
- 14
Scrub sub-board
5 minClean the charging sub-board and USB-C port with 99% isopropyl alcohol to clear out moisture and mineral deposits.
- 15
Dry phone components
15 minBlow away liquid excess using compressed air and let all circuit boards dry on a clean towel for at least two hours.
- 16
Reassemble phone components
12 minReinstall both boards into the housing, reconnect all ribbon cables, replace the midframe, and seal the back cover with fresh adhesive.
After your Motorola G8 Plus water damage repair
Power the G8 Plus 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 Motorola G8 Plus job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Motorola G8 Plus repair context in the encyclopedia, or open related DIY guides.
