Phone · Motorola · Moto G7 Power
Motorola Moto G7 Power Water Damage Repair
Water Damage Repair guide for the Motorola Moto G7 Power
Before you begin
Tools
- Precision Phillips #00 Screwdriver
- Plastic Opening Picks
- Nylon Spudger
- Heat Gun or iOpener
- ESD-Safe Soft Bristle Brush
- SIM Card Eject Tool
- Tweezers
- Magnifying Glass
Parts / materials
- 99% Isopropyl Alcohol
- Pre-cut Rear Cover Adhesive Tape
- Lint-Free Microfiber Cloth
Safety
- Wear safety glasses when handling heating tools and chemical solvents.
- Perform cleaning in a well-ventilated room to avoid inhaling isopropyl alcohol vapors.
- Disconnect the battery before touching any internal electronic components to avoid short circuits.
Overview
Step-by-step
- 1
Power Down Device
1 minTurn off the phone immediately and do not plug it into a charger. Press and hold the power button, then tap Power Off.
- 2
Eject SIM Tray
1 minInsert a SIM eject tool into the hole on the left side of the device. Remove the SIM and microSD card tray.
- 3
Heat Rear Panel
2 minApply heat around the rear edges of the phone using a heat gun or heating pad for 2 minutes. This softens the perimeter adhesive securing the back cover.
- 4
Slice Rear Adhesive
5 minInsert a thin plastic pick between the rear panel and the phone frame near the bottom corner. Carefully slide the pick along the perimeter to slice through the adhesive.
- 5
Disconnect Fingerprint Sensor
2 minSlightly lift the back cover from the right edge like a book. Use a spudger to gently pop off the fingerprint reader flex cable from the motherboard.
- 6
Remove Frame Screws
3 minUnscrew the 10 Phillips #00 screws securing the upper plastic motherboard frame and lower speaker housing. Store the screws safely.
- 7
Remove Upper Mid-Frame
2 minInsert a plastic opening tool under the edge of the top plastic motherboard shield. Pry up gently to unhook the frame clips and remove it.
- 8
Disconnect Battery Cable
1 minPry the battery connector straight up from its socket on the motherboard using a nylon spudger. Disconnecting power immediately prevents further short circuits.
- 9
Remove Lower Speaker Module
2 minPry up the lower speaker housing from the bottom of the frame and set it aside.
- 10
Disconnect Display and Flex Cables
2 minUse a spudger to disconnect the display flex cable, sub-board interconnect flex cable, and antenna cable from the main motherboard.
- 11
Remove Motherboard
2 minGently lift the logic board from the top corners and lift it out of the phone body. Avoid bending the board during removal.
- 12
Remove USB-C Daughterboard
2 minDisconnect the lower end of the antenna cable and pry the lower charging port daughterboard out of the housing.
- 13
Inspect Liquid Damage
3 minUse a magnifying glass to check both sides of the motherboard and sub-board for white or green oxidation and corrosion.
- 14
Clean Motherboard
8 minSubmerge or thoroughly soak the motherboard in 99% isopropyl alcohol. Gently scrub all corroded areas and chip leads using an ESD-safe soft brush.
- 15
Clean Daughterboard
4 minScrub the lower daughterboard and the interior of the USB-C port with isopropyl alcohol to dissolve dried liquid deposits.
- 16
Dry Components
15 minPlace all cleaned circuit boards on a lint-free cloth and let them air dry completely for at least 30 minutes.
- 17
Reinstall Circuit Boards
4 minFit the dry motherboard and daughterboard back into the chassis. Reattach the display, interconnect, and antenna flex cables securely.
- 18
Reconnect Battery and Frame
4 minSnap the battery connector onto the mainboard, then reinstall the upper mid-frame and lower speaker using the Phillips screws.
- 19
Reseal Back Cover
4 minPlug in the fingerprint flex cable, apply fresh double-sided adhesive along the frame edges, and press the rear panel firmly back into place.
After your Motorola Moto G7 Power water damage repair
Power the Moto G7 Power 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 Power 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 Power repair context in the encyclopedia, or open related DIY guides.
