Phone · Motorola · Moto G7 Play
Motorola Moto G7 Play Water Damage Repair
Water Damage Repair guide for the Motorola Moto G7 Play
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Magnifying glass or headlamp
- Heat gun
- SIM eject tool
- Soft ESD brush
Parts / materials
- 99% Isopropyl alcohol
- Replacement back cover adhesive strips
- Microfiber cloth
Safety
- Disconnect the battery immediately to prevent short-circuiting electrical components.
- Work in a well-ventilated room when using high-concentration isopropyl alcohol.
- Wear an anti-static wrist strap to avoid electrostatic damage to sensitive circuitry.
Overview
Step-by-step
- 1
Power off the phone
1 minTurn off the Moto G7 Play completely and do not plug in a charger under any circumstances.
- 2
Eject the SIM tray
1 minInsert a SIM eject tool into the hole on the left frame and remove the SIM card tray.
- 3
Heat the back cover
2 minApply a heat gun or hot air station around the rear edges for 2 minutes to soften the adhesive.
- 4
Slice the back cover adhesive
5 minInsert a plastic opening pick beneath the back cover edge and slice along all four sides.
- 5
Disconnect the fingerprint sensor
2 minCarefully tilt the back panel up and use tweezers to unclip the fingerprint flex cable from the board.
- 6
Unscrew the upper motherboard cover
3 minRemove the Phillips screws holding the plastic motherboard shield in place.
- 7
Pry off the motherboard cover
2 minInsert a plastic spudger beneath the cover edge and gently pop it off the frame.
- 8
Disconnect the battery cable
1 minPry up the battery press connector immediately to cut all power to the board.
- 9
Disconnect the display and interconnect flexes
2 minUse a plastic opening tool to unclip the display flex cable and lower daughterboard ribbon.
- 10
Remove the motherboard
3 minRemove any remaining screws securing the main board and carefully lift it out of the chassis.
- 11
Remove the lower speaker and daughterboard
3 minUnscrew the bottom speaker housing and remove the charging port daughterboard.
- 12
Scrub the boards with isopropyl alcohol
10 minSubmerge the motherboard and daughterboard in high-purity alcohol and gently brush away corrosion with a soft ESD brush.
- 13
Dry all liquid-damaged components
15 minLay the clean boards and frame on a microfiber cloth and let them dry completely in a well-ventilated area for 2 hours.
- 14
Reinstall the motherboard and daughterboard
4 minPlace both dry circuit boards back into their frame slots and secure them with the original screws.
- 15
Reconnect all flex cables
3 minSnap the display flex, interconnect ribbon, and fingerprint sensor cable back into their press connectors, attaching the battery last.
- 16
Reseal and press the back cover
4 minApply new adhesive tape to the perimeter, align the rear cover, and press firmly along the edges for one minute.
After your Motorola Moto G7 Play water damage repair
Power the Moto G7 Play 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 Play 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 Play repair context in the encyclopedia, or open related DIY guides.

