Phone · Motorola · Moto G7
Motorola Moto G7 Water Damage Repair
Water Damage Repair guide for the Motorola Moto G7
Before you begin
Tools
- Heat gun or iOpener
- Suction cup
- Plastic opening picks
- Phillips #00 screwdriver
- Tweezers
- Soft nylon brush
- Anti-static wrist strap
Parts / materials
- 90%+ Isopropyl alcohol
- Replacement back cover adhesive tape
- Microfiber cleaning cloth
Safety
- Disconnect the battery immediately to prevent short circuits.
- Use high-concentration isopropyl alcohol only in a well-ventilated area.
- Wear eye protection and an anti-static wrist strap during disassembly.
Overview
Step-by-step
- 1
Power Down the Device
1 minPress and hold the power button to shut off the phone immediately to stop electrical current flow.
- 2
Remove SIM Card Tray
1 minInsert a SIM eject tool into the hole on the top left of the frame to release and remove the SIM tray.
- 3
Heat the Rear Glass
3 minApply heat around the edges of the back cover for two minutes to soften the rear adhesive.
- 4
Slice Rear Adhesive
4 minAttach a suction cup near the bottom edge, pull up to create a gap, and slide an opening pick around the perimeter.
- 5
Disconnect Fingerprint Reader
2 minCarefully tilt open the rear cover and use a plastic spudger to detach the fingerprint sensor flex cable from the board.
- 6
Unscrew Midframe Assembly
3 minRemove the Phillips #00 screws securing the upper motherboard shield and lower speaker housing.
- 7
Remove Upper Shield
2 minPry up and remove the plastic motherboard shield to expose the internal connectors.
- 8
Disconnect Battery Connector
1 minUse a plastic spudger to pry the battery connector straight up from its motherboard socket to eliminate short-circuit risk.
- 9
Unplug Motherboard Flex Cables
3 minDisconnect the display cable, interconnect cable, and camera modules from the mainboard.
- 10
Extract the Motherboard
2 minRemove the remaining retaining screw and gently lift the main motherboard out of the phone chassis.
- 11
Soak Motherboard in Isopropyl Alcohol
10 minSubmerge the motherboard in a dish filled with 90%+ isopropyl alcohol for 5 to 10 minutes to displace trapped water.
- 12
Scrub Off Corrosion
8 minUse a soft nylon brush under magnification to gently scrub away white or green corrosion deposits on the board.
- 13
Clean Charging Sub-Board
5 minRemove the lower daughterboard and clean the USB-C port in the isopropyl alcohol bath using the nylon brush.
- 14
Dry All Components
15 minBlow away excess liquid with compressed air and let components dry completely in a clean area before reassembly.
- 15
Reassemble and Test Device
10 minReinstall components in reverse order, apply fresh adhesive to the rear cover, and power on the device to test functionality.
After your Motorola Moto G7 water damage repair
Power the Moto G7 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 G7 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 G7 repair context in the encyclopedia, or open related DIY guides.
