Phone · Motorola · Moto G04
Motorola Moto G04 Water Damage Repair
Water Damage Repair guide for the Motorola Moto G04
Before you begin
Tools
- Precision screwdriver set (Phillips #00)
- Plastic opening picks
- Spudger
- Tweezers
- SIM eject tool
- Soft bristle toothbrush
- Heat gun or hair dryer
Parts / materials
- 99% Isopropyl alcohol
- Microfiber cloth
- Replacement back cover adhesive tape
Safety
- Disconnect the battery immediately after removing the back panel to prevent further short circuits.
- Wear protective safety glasses when working with isopropyl alcohol and small metal parts.
- Operate in a well-ventilated area to avoid inhaling alcohol fumes.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then select power off to prevent electrical shorts.
- 2
Eject the SIM tray
1 minInsert a SIM eject tool into the hole on the left edge of the phone to remove the card tray.
- 3
Heat the rear cover
2 minApply a hot air gun or heating pad around the edges of the back panel for two minutes to soften the adhesive.
- 4
Slice the back cover adhesive
4 minInsert a plastic opening pick under the seam between the back panel and frame, then slide it around the perimeter.
- 5
Detach the rear cover
2 minCarefully lift the back panel away from the frame while avoiding damage to the side power button flex cable.
- 6
Unscrew the upper motherboard bracket
3 minRemove the Phillips #00 screws holding the plastic motherboard shield in place.
- 7
Disconnect the battery cable
1 minUse a plastic spudger to pry the battery connector directly up from the motherboard.
- 8
Disconnect the fingerprint reader cable
1 minPry up the press-fit connector for the side-mounted fingerprint sensor on the motherboard.
- 9
Unscrew the lower speaker housing
3 minRemove the Phillips #00 screws securing the bottom loudspeaker cover to reveal the sub-board.
- 10
Remove the main motherboard
3 minDisconnect the display and interconnect flex cables, then carefully lift the motherboard out of the chassis.
- 11
Remove the daughterboard
2 minDisconnect the coaxial antenna cable and lift the lower charging board out of the phone body.
- 12
Clean components with isopropyl alcohol
10 minSubmerge the circuit boards in 99% isopropyl alcohol and gently scrub away corrosion with a soft toothbrush.
- 13
Dry all circuit boards
15 minPlace the cleaned components on a microfiber cloth and let them air dry completely.
- 14
Reinstall boards and reconnect cables
5 minPlace the mainboard and daughterboard back into the housing and press all flex connectors firmly into position.
- 15
Reassemble frame covers and back panel
4 minReinstall all Phillips screws on the protective covers, apply fresh adhesive, and press the back cover back onto the phone.
After your Motorola Moto G04 water damage repair
Power the Moto G04 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 G04 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 G04 repair context in the encyclopedia, or open related DIY guides.

