Phone · Motorola · Moto G Stylus 5G 2021
Motorola Moto G Stylus 5G 2021 Water Damage Repair
Water Damage Repair guide for the Motorola Moto G Stylus 5G 2021
Before you begin
Tools
- Heat gun or iOpener
- Precision Phillips #00 screwdriver
- Plastic opening picks
- Nylon spudger
- Tweezers
- Soft-bristled toothbrush
- SIM eject tool
Parts / materials
- 99% Isopropyl alcohol
- Replacement back cover adhesive strips
- Lint-free microfiber cloth
Safety
- Work in a well-ventilated area when using high-purity isopropyl alcohol.
- Wear eye protection to prevent alcohol splashes while scrubbing.
- Disconnect the battery immediately to prevent electrical short circuits.
Overview
Step-by-step
- 1
Power down the phone
1 minTurn off the Moto G Stylus 5G immediately to minimize short-circuit damage. Do not plug the phone into a charger.
- 2
Remove the SIM tray and stylus
1 minInsert a SIM eject tool into the tray hole to eject the SIM card holder. Pull out the integrated stylus from its slot.
- 3
Heat the back cover
2 minApply heat around the perimeter of the rear cover for two minutes using a heat gun or iOpener. This softens the adhesive securing the plastic panel.
- 4
Slice rear adhesive
4 minInsert an opening pick into the gap between the frame and back cover. Slide the pick around all edges to slice through the adhesive.
- 5
Disconnect the fingerprint sensor
2 minGently lift the back cover slightly from the left edge. Use a spudger to detach the fingerprint sensor flex cable from the motherboard before removing the cover completely.
- 6
Unscrew the upper motherboard frame
3 minRemove the Phillips #00 screws securing the plastic motherboard bezel. Keep track of each screw position for reassembly.
- 7
Pry off the top bracket
2 minInsert a spudger under the top edge of the plastic bezel and unclip it from the housing. Lift and remove the bracket.
- 8
Disconnect the battery cable
1 minUse a plastic spudger to snap the battery connector straight up from its socket. Disconnecting power stops ongoing electrical corrosion.
- 9
Remove the lower speaker housing
3 minUnscrew the Phillips #00 screws securing the speaker assembly at the bottom of the device. Lift the speaker module out of the chassis.
- 10
Disconnect remaining board flex cables
2 minUnplug the display cable, interconnect cable, and antenna coaxial lines from the motherboard and lower daughterboard.
- 11
Extract the motherboard
2 minRemove any remaining motherboard retaining screws. Carefully pry up the main motherboard and remove it from the frame.
- 12
Extract the daughterboard
2 minPry up the lower daughterboard containing the USB-C port and headphone jack from the housing.
- 13
Submerge boards in isopropyl alcohol
10 minPlace the motherboard and daughterboard into a clean container filled with 90%+ isopropyl alcohol. Let them soak for 10 minutes to displace trapped moisture.
- 14
Scrub corroded components
5 minUse a soft-bristled toothbrush dampened with alcohol to gently remove white mineral residue and corrosion around chips and connectors.
- 15
Dry all components completely
15 minPlace the cleaned boards and frame on a microfiber towel in a warm, dry area. Allow everything to air dry completely for at least 24 hours before reassembly.
- 16
Reassemble and apply fresh adhesive
8 minReinstall the daughterboard, motherboard, and shield covers in reverse order. Clean old adhesive remnants and apply new back cover adhesive before sealing.
After your Motorola Moto G Stylus 5G 2021 water damage repair
Power the Moto G Stylus 5G 2021 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 Stylus 5G 2021 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 Stylus 5G 2021 repair context in the encyclopedia, or open related DIY guides.

