Phone · Motorola · Moto Edge 40
Motorola Moto Edge 40 Speaker Repair
Speaker Repair guide for the Motorola Moto Edge 40
Before you begin
Tools
- Precision screwdriver set (Phillips #000)
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Tweezers
- Clean workspace mat
Parts / materials
- Replacement Moto Edge 40 loudspeaker module
- Pre-cut back cover adhesive strip
- 70%+ Isopropyl alcohol
- Lint-free microfiber cloth
Safety
- Wear protective eye goggles when heating glass panels.
- Do not insert prying tools deeper than 3mm to prevent damaging internal flex cables.
- Handle the rear glass carefully to prevent accidental cracking or splintering.
Overview
Step-by-step
- 1
Power Off 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
Heat Rear Panel
2 minUse a heat gun or hair dryer to warm the edges of the back cover for 2 minutes. This softens the factory adhesive underneath.
- 3
Attach Suction Cup
1 minPress a suction cup firmly onto the lower portion of the rear glass panel. Pull gently upward to create a slight gap.
- 4
Insert Opening Pick
2 minSlide a thin plastic opening pick into the seam opened by the suction cup. Take care not to insert it deeper than 3mm.
- 5
Slice Bottom Adhesive
2 minSlide the pick across the bottom edge of the frame to separate the glue. Keep the pick flat against the glass surface.
- 6
Slice Side Adhesive
3 minMove the pick along the left and right curved edges of the rear cover. Reapply heat if the adhesive becomes tough to slice.
- 7
Remove Back Cover
1 minLift the rear glass cover away from the chassis. Set it aside safely on a soft surface.
- 8
Unscrew Speaker Shield
3 minUse a Phillips #000 screwdriver to remove the screws securing the lower loudspeaker assembly cover.
- 9
Pry Speaker Housing
2 minInsert the flat end of a spudger beneath the edge of the speaker module shield. Gently pry upward to release the clips.
- 10
Remove Old Speaker
1 minLift the old loudspeaker assembly out of the lower chassis cavity. Inspect the recessed area for loose adhesive or debris.
- 11
Clean Speaker Cavity
2 minUse tweezers to clear out any leftover tape or residue from the speaker bay. Ensure contact points on the board are clean.
- 12
Place New Speaker
1 minAlign the replacement loudspeaker module with the lower frame cavity. Lower it directly into place.
- 13
Press Speaker into Place
1 minApply light, uniform thumb pressure to seat the loudspeaker module flush inside the recess.
- 14
Reposition Speaker Shield
2 minFit the plastic speaker cover shield back over the lower housing module. Ensure all plastic retaining tabs snap in place.
- 15
Secure Shield Screws
3 minReinsert and tighten the Phillips #000 screws into the loudspeaker shield until snug.
- 16
Clean Old Adhesive
3 minDampen a microfiber cloth with isopropyl alcohol and wipe away residual adhesive along the frame and rear cover edges.
- 17
Apply New Adhesive
2 minPeel and align a new pre-cut adhesive tape strip along the perimeter of the phone's internal rear frame.
- 18
Reattach Back Cover
2 minAlign the rear glass cover over the chassis and press firmly around all edges to bond the new adhesive.
After your Motorola Moto Edge 40 speaker repair
Power the Moto Edge 40 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 Moto Edge 40 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 Edge 40 repair context in the encyclopedia, or open related DIY guides.

