Phone · Motorola · G85
Motorola G85 Speaker Repair
Speaker Repair guide for the Motorola G85
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Suction handle
- Plastic opening picks
- Spudger
- SIM eject tool
- Tweezers
Parts / materials
- Replacement loudspeaker module
- Pre-cut rear cover adhesive
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses when heating and opening the device.
- Do not puncture or bend the battery located near the sub-board.
- Allow the heat-softened rear panel to cool slightly before applying force to prevent cracking.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the device is fully shut down before proceeding.
- 2
Eject SIM Card Tray
1 minInsert a SIM eject tool into the pinhole at the bottom edge of the phone. Push firmly to pop out the tray and remove it.
- 3
Heat the Rear Cover
2 minApply a heat gun or heated iOpener along the perimeter of the rear glass cover for two minutes to soften the adhesive.
- 4
Attach Suction Cup
1 minPlace a suction cup on the lower third of the back cover. Press down firmly to secure suction and pull gently to form a slight gap.
- 5
Slice Rear Adhesive
4 minInsert an opening pick into the gap near the bottom edge. Slide the pick around all four edges to slice through the adhesive seal.
- 6
Remove Rear Cover
2 minLift the rear cover straight off the chassis. Set the back panel aside in a safe location.
- 7
Unscrew Loudspeaker Module
3 minUse a Phillips #00 screwdriver to remove the screws securing the bottom loudspeaker assembly to the frame.
- 8
Pry Up Loudspeaker Module
2 minInsert a spudger under the notched edge of the loudspeaker module. Lever it up gently to release the retaining clips.
- 9
Remove Defective Loudspeaker
1 minLift the old loudspeaker assembly out of the phone. Inspect the exposed sub-board contacts for debris.
- 10
Clean Recess and Contacts
2 minUse isopropyl alcohol and a lint-free swab to clean old adhesive or dust from the speaker recess and contact pads.
- 11
Position New Loudspeaker
2 minPlace the replacement speaker module into the lower compartment. Press down firmly until it sits flush against the frame.
- 12
Secure Speaker Screws
3 minReinstall the Phillips #00 screws into the loudspeaker module until snug.
- 13
Apply Rear Panel Adhesive
3 minApply new custom adhesive strips around the perimeter of the rear housing frame and remove the plastic backing.
- 14
Reattach Rear Cover
2 minAlign the back cover with the phone body and press firmly around all edges to secure the adhesive bond.
- 15
Reinsert SIM Tray and Test
2 minReinsert the SIM card tray into its slot. Power on the phone and play audio to confirm proper speaker operation.
After your Motorola G85 speaker repair
Power the G85 back on and test the speaker 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 G85 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 G85 repair context in the encyclopedia, or open related DIY guides.

