Phone · Samsung · Galaxy S21 Plus
Samsung Galaxy S21 Plus Speaker Repair
Speaker Repair guide for the Samsung Galaxy S21 Plus
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Suction cup
- Opening picks
- Plastic spudger
- SIM eject tool
- Tweezers
Parts / materials
- Replacement Galaxy S21 Plus loudspeaker assembly
- Replacement back glass adhesive gasket
- 99% Isopropyl alcohol
Safety
- Wear safety glasses to protect eyes against glass splinters or flying debris.
- Disconnect the battery immediately after removing protective covers to prevent electrical shorts.
- Do not heat the phone beyond 80°C (176°F) to avoid damaging the lithium-ion battery.
Overview
Step-by-step
- 1
Remove the SIM Card Tray
1 minInsert a SIM eject tool into the hole at the bottom frame and push gently to eject the tray. Pull the tray completely out of the phone.
- 2
Heat the Back Glass
3 minApply a heated iOpener or heat gun around the edges of the back cover for two minutes to soften the adhesive.
- 3
Attach Suction Handle and Insert Pick
2 minPlace a suction cup on the lower back glass, pull up firmly to create a gap, and insert an opening pick under the edge.
- 4
Slice Back Glass Adhesive
4 minSlide the pick carefully along all four sides of the frame to cut through the perimeter adhesive. Reheat the glass if resistance increases.
- 5
Remove Back Cover
2 minLift the back cover straight off the frame and place it safely aside. Clean residual glue from the frame edges.
- 6
Unscrew Wireless Charging Coil
2 minRemove the five Phillips #00 screws securing the upper wireless charging coil bracket to the motherboard frame.
- 7
Remove Wireless Charging Pad
2 minPry up the top plastic bracket and carefully peel the wireless charging pad away from the battery assembly.
- 8
Disconnect the Battery
1 minUse a plastic spudger to pry the battery press connector straight up from the motherboard socket.
- 9
Unscrew Loudspeaker Module
2 minRemove the six Phillips #00 screws securing the lower loudspeaker assembly to the bottom frame.
- 10
Pry Out Damaged Loudspeaker
2 minInsert a plastic opening tool beneath the edge of the loudspeaker module and lift it out of the chassis.
- 11
Position New Loudspeaker Assembly
2 minSet the replacement loudspeaker module into the lower frame cutout, pressing down gently until it sits flush.
- 12
Secure Loudspeaker Module
2 minReinstall the six Phillips #00 screws to lock the loudspeaker module securely into place.
- 13
Reconnect Battery and Wireless Coil
3 minSnap the battery connector onto the motherboard, re-lay the wireless charging pad, and tighten its five Phillips #00 screws.
- 14
Reseal Back Cover
3 minApply new pre-cut adhesive strips around the frame perimeter, align the back cover, and press firmly along all edges to seal.
After your Samsung Galaxy S21 Plus speaker repair
Power the Galaxy S21 Plus 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 S21 Plus 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 S21 Plus repair context in the encyclopedia, or open related DIY guides.
