Phone · Motorola · Moto G20
Motorola Moto G20 Water Damage Repair
Water Damage Repair guide for the Motorola Moto G20
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening tools
- SIM eject tool
- Nylon spudger
- Tweezers
- Soft-bristled antistatic brush
- Magnifying glass or headlamp
Parts / materials
- 99% isopropyl alcohol
- Lint-free microfiber cloth
- Absorbent paper towels
Safety
- Work in a well-ventilated area when using isopropyl alcohol to avoid inhaling fumes.
- Disconnect the battery immediately after removing the bracket to prevent short circuits.
- Wear safety glasses to protect against accidental alcohol splashes.
- Use an anti-static wrist strap to protect sensitive electronic components from static shock.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the power button, then select Power Off on the screen.
- 2
Eject SIM Tray
1 minInsert a SIM eject tool into the hole next to the SIM tray on the left edge and push to release it.
- 3
Pry Back Cover
3 minInsert a thin plastic opening pick into the seam between the plastic rear cover and the display frame.
- 4
Unclip Rear Housing
3 minSlide the plastic tool along all edges of the device to unclip the rear cover.
- 5
Disconnect Fingerprint Cable
2 minGently lift the back cover slightly and use a spudger to pry off the fingerprint sensor flex cable connector.
- 6
Unscrew Top Shield
3 minRemove the Phillips #00 screws securing the plastic motherboard bracket.
- 7
Remove Top Shield
1 minLift the plastic motherboard shield out of the frame to access the board connectors.
- 8
Disconnect Battery Cable
1 minUse a plastic spudger to detach the battery connector from the motherboard to cut power.
- 9
Disconnect Board Cables
2 minDisconnect the display flex cable, interconnect flex cable, and the antenna coaxial cable from the mainboard.
- 10
Remove Motherboard
2 minGently pry under the edges of the main logic board using a nylon spudger and lift it out of the chassis.
- 11
Unscrew Speaker Assembly
2 minRemove the Phillips screws securing the bottom loudspeaker assembly.
- 12
Remove Sub-Board
2 minDisconnect the bottom interconnect cable and lift the lower sub-board out of the frame.
- 13
Scrub Liquid Corrosion
8 minDip a soft antistatic brush in 99% isopropyl alcohol and scrub away any liquid residue or corrosion on both boards.
- 14
Inspect Board Components
4 minExamine the circuit boards under a magnifying glass for burned chips, shorted traces, or residual mineral deposits.
- 15
Dry Internal Parts
15 minPlace the cleaned boards on a lint-free towel and allow the alcohol to evaporate completely for at least 30 minutes.
- 16
Reassemble Device
8 minReinstall the sub-board, motherboard, connect all internal flex cables and battery, then screw down the shields and snap on the back cover.
After your Motorola Moto G20 water damage repair
Power the Moto G20 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 Moto G20 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 Moto G20 repair context in the encyclopedia, or open related DIY guides.
