Phone · Samsung · Galaxy Note 20
Samsung Galaxy Note 20 Speaker Repair
Speaker Repair guide for the Samsung Galaxy Note 20
Before you begin
Tools
- Phillips #000 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic opening picks
- Spudger tool
- SIM eject tool
- Tweezers
Parts / materials
- Replacement Galaxy Note 20 loudspeaker
- Back cover adhesive strips
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses to protect your eyes when heating and handling glass panels.
- Disconnect the battery press connector before removing internal components to prevent short circuits.
- Keep heat gun temperatures moderate to avoid overheating the lithium-ion battery.
Overview
Step-by-step
- 1
Remove the SIM Card Tray
1 minInsert a SIM eject tool into the pinhole at the top edge of the phone to pop out the tray. Remove the SIM tray and the S Pen completely.
- 2
Heat the Rear Glass
2 minUse a heat gun or hair dryer on low setting to heat the outer edges of the rear cover for 2 minutes. This softens the underlying factory adhesive.
- 3
Attach the Suction Cup
2 minPlace a suction cup near the bottom edge of the back glass and pull upward firmly to create a tiny gap. Avoid pulling too hard to prevent cracking the glass cover.
- 4
Insert an Opening Pick
1 minSlide a plastic opening pick into the gap created beneath the back glass. Leave the pick in place to stop the adhesive from cooling and resealing.
- 5
Slice the Perimeter Adhesive
4 minSlide plastic picks around all four edges of the back panel to cut through the adhesive seal. Reapply heat if you feel strong resistance.
- 6
Remove the Rear Glass Cover
3 minGently lift the back cover glass off the chassis and set it aside safely. Use isopropyl alcohol to clean off remaining tape residue from the frame edges.
- 7
Unscrew the Upper Bracket
3 minUse a Phillips #000 screwdriver to remove the five screws holding the upper wireless charging coil bracket in place. Carefully unclip and remove the bracket.
- 8
Disconnect the Battery Press Connector
1 minUse the flat end of a spudger to pry the battery flex cable straight up from its motherboard socket. This cuts power to the board and prevents electrical shorts.
- 9
Unscrew the Loudspeaker Module
3 minRemove the five Phillips #000 screws securing the bottom loudspeaker assembly to the phone chassis.
- 10
Pry Out the Old Loudspeaker
2 minInsert the flat edge of a spudger underneath the loudspeaker module notch. Gently lever the speaker assembly up and lift it out of the housing.
- 11
Position the New Loudspeaker
2 minAlign the replacement loudspeaker module with the bottom cavity of the phone frame. Press down evenly until it sits completely flush.
- 12
Secure the Loudspeaker Screws
3 minThread and tighten the five Phillips #000 screws back into the loudspeaker assembly. Ensure all screws are snug without over-tightening them.
- 13
Reconnect the Battery Cable
3 minPress the battery cable connector straight down onto the motherboard until it snaps into place. Reinstall the upper wireless charging bracket and its screws.
- 14
Reseal the Back Panel
4 minApply new custom-cut adhesive strips along the phone frame perimeter. Align the rear glass cover, press firmly around all edges, and hold pressure for 2 minutes to secure.
After your Samsung Galaxy Note 20 speaker repair
Power the Galaxy Note 20 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 Samsung Galaxy Note 20 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Samsung Galaxy Note 20 repair context in the encyclopedia, or open related DIY guides.

