Phone · Motorola · Moto G 5G 2020
Motorola Moto G 5G 2020 Water Damage Repair
Water Damage Repair guide for the Motorola Moto G 5G 2020
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening picks
- Spudger
- Suction handle
- Heat gun
- Tweezers
- Soft antistatic brush
- Magnifying glass
Parts / materials
- 99% Isopropyl alcohol
- Lint-free microfiber cloth
- Replacement back cover adhesive tape
Safety
- Power off the phone immediately to prevent electrical shorting.
- Wear an anti-static wrist strap when handling exposed circuit boards.
- Work in a well-ventilated area when using high-concentration isopropyl alcohol.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the power button, then select power off immediately. Do not connect a charger or power on the device while wet.
- 2
Remove the SIM Card Tray
1 minInsert a SIM eject pin into the hole on the left edge of the phone. Push firmly to eject the tray and remove it completely.
- 3
Heat the Back Cover
2 minApply heat around the perimeter of the back cover for two minutes using a heat gun to soften the adhesive.
- 4
Slice Rear Adhesive
5 minAttach a suction handle near the bottom edge and pull up to create a gap. Insert an opening pick into the seam and slide around the perimeter.
- 5
Disconnect the Fingerprint Cable
2 minGently lift the back cover from the left side like a book. Use a plastic spudger to pop off the fingerprint sensor cable from the motherboard.
- 6
Remove Motherboard Cover Screws
3 minUnscrew the 11 Phillips #00 screws securing the upper plastic motherboard cover.
- 7
Pry Off Upper Plastic Shield
2 minInsert a spudger under the motherboard cover notch and lift it up to remove it from the device frame.
- 8
Disconnect Battery Flex Cable
1 minPry the battery press connector straight up off the motherboard using a plastic spudger to cut power immediately.
- 9
Remove Lower Speaker Screws
3 minUnscrew the 7 Phillips #00 screws holding down the lower loudspeaker housing.
- 10
Remove Loudspeaker Module
2 minWedge a spudger beneath the loudspeaker housing and lift it off the chassis.
- 11
Disconnect Main Board Flex Cables
3 minDetach the display cable, interconnect ribbon cable, and antenna coax cables connected to the main motherboard.
- 12
Lift Motherboard Out
2 minPry gently beneath the edges of the motherboard with a spudger and remove the board completely from the phone frame.
- 13
Remove Sub-board
2 minDisconnect the interconnect flex and coaxial cable from the bottom sub-board, then lift the sub-board out of the lower housing.
- 14
Extract Battery
5 minApply isopropyl alcohol along the battery edges to loosen adhesive, then pull the adhesive pull-tabs to lift out the battery.
- 15
Clean Corroded Boards
10 minSoak the motherboard and sub-board in 99% isopropyl alcohol and scrub liquid corrosion using a soft antistatic brush under magnification.
- 16
Dry All Components
15 minLay all cleaned circuit boards flat on a microfiber cloth and let them air dry thoroughly for at least 30 minutes.
- 17
Reinstall Boards and Reconnect Cables
5 minSeat the main motherboard and sub-board into the chassis, then snap all flex connectors securely into place.
- 18
Reattach Battery and Covers
8 minReconnect the battery, reinstall all plastic covers with their screws, and press the back cover firmly on new adhesive tape.
After your Motorola Moto G 5G 2020 water damage repair
Power the Moto G 5G 2020 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 G 5G 2020 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 G 5G 2020 repair context in the encyclopedia, or open related DIY guides.

