Phone · Motorola · G 5G Plus
Motorola G 5G Plus Water Damage Repair
Water Damage Repair guide for the Motorola G 5G Plus
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening picks
- Suction handle
- Nylon spudger
- SIM card eject tool
- Soft ESD brush
- Heat gun or iOpener
- Tweezers
Parts / materials
- 99% Isopropyl alcohol
- Pre-cut rear cover adhesive
- Lint-free microfiber wipes
Safety
- Disconnect the battery immediately after opening the casing to avoid shorting electronic components.
- Perform alcohol cleaning in a well-ventilated area away from open flames or hot surfaces.
- Wear an anti-static wrist strap to protect delicate microchips from electrostatic discharge.
- Wear protective eyewear to avoid liquid splashes when brushing circuit boards with alcohol.
Overview
Step-by-step
- 1
Power Off the Phone
1 minPower down your Motorola G 5G Plus immediately and do not attempt to plug in a charger. Press and hold the power button, then select Power Off on the screen.
- 2
Eject the SIM Tray
1 minInsert a SIM eject tool into the hole on the left frame of the phone. Push firmly inward to pop out the SIM and microSD tray, then remove it.
- 3
Heat the Back Cover
3 minApply a heated pad or heat gun around the outer edges of the rear cover for two minutes. This softens the factory adhesive holding the back panel to the frame.
- 4
Slice the Rear Adhesive
5 minAttach a suction cup to the lower rear cover and pull upward to create a small gap. Insert a plastic opening pick and carefully slice through the adhesive along the edges.
- 5
Disconnect Fingerprint Sensor Cable
2 minGently lift the right side of the back cover like a book, taking care not to strain the flex cable. Use a spudger to pop off the fingerprint reader ribbon cable from the motherboard.
- 6
Unscrew Upper Motherboard Shield
3 minRemove the Phillips #00 screws securing the plastic motherboard frame. Keep track of each screw location for reassembly.
- 7
Remove Upper Motherboard Shield
2 minPry up the edges of the upper plastic frame with a spudger. Lift the shield away from the phone body to reveal the main logic board.
- 8
Disconnect the Battery Cable
1 minUse the flat end of a spudger to pry the battery connector straight up off the motherboard. Disconnecting power prevents short circuits during cleaning.
- 9
Unscrew Lower Speaker Module
3 minRemove the Phillips #00 screws holding down the lower loudspeaker housing at the bottom of the device.
- 10
Remove Loudspeaker Module
2 minInsert a spudger under the edge of the loudspeaker assembly and lift it out of the frame.
- 11
Disconnect Sub-Board Flex Cables
2 minDisconnect the main interconnect flex cable and the display cable from both the motherboard and lower sub-board using a spudger.
- 12
Remove Main Motherboard
3 minGently lift the main motherboard up and out of the housing, ensuring no remaining ribbon cables snag on the board edges.
- 13
Clean Motherboard Corrosion
10 minSubmerge the motherboard in 99% isopropyl alcohol and gently scrub all components and connectors with a soft ESD brush. Ensure all white or green mineral corrosion is removed.
- 14
Clean Sub-Board and Charging Port
5 minScrub the lower daughterboard and USB-C port using isopropyl alcohol and an ESD brush. Pay special attention to cleaning liquid residue out of the USB-C cavity.
- 15
Dry Internal Components
15 minSet the cleaned circuit boards on a lint-free towel in a well-ventilated space. Allow all alcohol and residual moisture to evaporate completely before reinstalling.
- 16
Reinstall Boards into Chassis
3 minPlace the dry sub-board and main motherboard back into their respective slots in the phone chassis.
- 17
Reconnect Flex Cables
3 minPress the interconnect cables and display flex cables firmly onto their sockets until they snap into place.
- 18
Reconnect Battery and Reattach Shields
4 minPlug the battery connector back into the motherboard. Place the upper shield and lower speaker module back over the boards and secure them with their screws.
- 19
Attach Fingerprint Sensor and Seal Back
4 minSnap the fingerprint sensor flex cable back onto the motherboard, apply new double-sided adhesive along the frame, and press the rear cover down tightly.
After your Motorola G 5G Plus water damage repair
Power the G 5G 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 G 5G 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 G 5G Plus repair context in the encyclopedia, or open related DIY guides.

