Phone · Motorola · G 5G
Motorola G 5G Water Damage Repair
Water Damage Repair guide for the Motorola G 5G
Before you begin
Tools
- Phillips #00 Screwdriver
- Plastic Opening Picks
- Spudger
- Heat Gun or iOpener
- SIM Eject Tool
- Soft Anti-Static Brush
- Precision Tweezers
Parts / materials
- 99% Isopropyl Alcohol
- Microfiber Cloth
- Pre-cut Rear Cover Adhesive Tape
Safety
- Disconnect the battery immediately after opening to prevent short-circuiting liquid-exposed electronics.
- Work in a well-ventilated space when using high-concentration isopropyl alcohol.
- Wear an ESD wrist strap to protect sensitive IC chips from static discharge during cleaning.
Overview
Step-by-step
- 1
Power Off the Phone
1 minPress and hold the power button, then tap Power Off to completely shut down the device.
- 2
Remove the SIM Card Tray
1 minInsert a SIM eject tool into the hole next to the tray on the left edge and push to eject it.
- 3
Heat the Rear Panel
3 minApply warm heat around all edges of the plastic rear cover using a heat gun or iOpener for two minutes.
- 4
Slice the Rear Cover Adhesive
5 minInsert an opening pick under the plastic back cover edge and slide it along the perimeter to slice through adhesive.
- 5
Disconnect the Fingerprint Sensor
2 minSlightly tilt the rear panel up and use a spudger to pop off the fingerprint reader flex connector from the motherboard.
- 6
Unscrew the Upper Midframe
3 minRemove all Phillips #00 screws securing the upper plastic motherboard bracket.
- 7
Pry Off the Upper Bracket
2 minGently insert a spudger beneath the plastic cover and pry it loose from the frame clips.
- 8
Disconnect the Battery Cable
1 minPry the battery connector directly up from the motherboard using a plastic spudger to cut all power.
- 9
Unscrew the Lower Speaker Enclosure
3 minRemove the Phillips #00 screws holding the loudspeaker assembly at the bottom of the device.
- 10
Disconnect Display and Sub-Board Flex Cables
3 minUnplug the main interconnect ribbon cable, display flex cable, and antenna cables from both circuit boards.
- 11
Lift Out the Motherboard
2 minRemove the remaining motherboard retaining screws and carefully pry the logic board out of the chassis.
- 12
Remove the Bottom Daughterboard
2 minPry the bottom charging port daughterboard up and out of the lower speaker cavity.
- 13
Clean Corrosion with Isopropyl Alcohol
10 minSoak the bare mainboard and sub-board in 99% isopropyl alcohol and scrub white or green residue using an anti-static brush.
- 14
Dry Internal Components
15 minPat down the cleaned circuit boards with a microfiber cloth and let them air dry fully for at least one hour.
- 15
Reinstall Boards and Connectors
5 minSeat the dried mainboard and sub-board back into the housing, reconnect all ribbon cables, and attach the battery connector last.
- 16
Reseal the Back Cover
5 minApply fresh double-sided adhesive along the frame perimeter, plug in the fingerprint sensor, and press the back cover firmly shut.
After your Motorola G 5G water damage repair
Power the G 5G 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 G 5G 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 G 5G repair context in the encyclopedia, or open related DIY guides.

