Phone · Samsung · Galaxy S21 FE
Samsung Galaxy S21 FE Speaker Repair
Speaker Repair guide for the Samsung Galaxy S21 FE
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or iOpener
- Suction cup
- Plastic opening picks
- Plastic spudger
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement loudspeaker assembly
- Pre-cut back cover adhesive tape
- 90%+ Isopropyl alcohol
Safety
- Always disconnect the battery flex cable before removing or installing internal components.
- Wear eye protection when heating and prying open phone assemblies.
- Do not puncture, bend, or apply force to the battery while working inside the phone.
Overview
Step-by-step
- 1
Power down the device
1 minPress and hold the Side and Volume Down buttons, then tap Power Off. Ensure the phone is completely shut down before proceeding.
- 2
Heat the rear panel
2 minApply a heated iOpener or heat gun to the edges of the back cover for two minutes to soften the rear adhesive.
- 3
Apply a suction cup
1 minPlace a suction cup near the bottom edge of the back panel and pull up firmly to create a small gap.
- 4
Insert an opening pick
1 minSlide a thin plastic opening pick into the gap created between the phone frame and the rear panel.
- 5
Slice perimeter adhesive
3 minGently slide the pick around all four edges to cut through the perimeter adhesive layer.
- 6
Lift off the back cover
1 minCarefully lift the back panel off the chassis and place it on a clean surface.
- 7
Remove upper frame screws
2 minUse a Phillips #00 screwdriver to remove the 10 screws securing the wireless charging coil and top bracket.
- 8
Detach upper plastic bracket
1 minPry up the top plastic bracket with a spudger and lift it out of the chassis.
- 9
Disconnect the battery
1 minUse the flat end of a spudger to pop the battery flex connector off the motherboard.
- 10
Remove loudspeaker screws
2 minUnscrew the 7 Phillips #00 screws securing the bottom loudspeaker assembly to the lower frame.
- 11
Pry up the loudspeaker housing
1 minInsert a spudger under the notch of the loudspeaker housing and gently pry it upward.
- 12
Remove old loudspeaker
1 minLift the faulty loudspeaker module out of the lower chassis cavity.
- 13
Install replacement loudspeaker
1 minAlign the new loudspeaker module into the lower housing and press down until it sits flush.
- 14
Secure loudspeaker screws
2 minReinstall and tighten the 7 Phillips #00 screws to fasten the loudspeaker assembly.
- 15
Reconnect battery flex cable
1 minAlign and press the battery flex connector back onto the motherboard socket until it clicks.
- 16
Reinstall upper bracket
2 minPlace the top bracket with the wireless coil back into position and secure the 10 Phillips #00 screws.
- 17
Apply new adhesive
3 minClean remaining glue with isopropyl alcohol, then apply fresh pre-cut adhesive strips along the frame perimeter.
- 18
Reseal the back cover
2 minAlign the back panel with the phone frame and press firmly along all edges to seal the adhesive.
After your Samsung Galaxy S21 FE speaker repair
Power the Galaxy S21 FE 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 FE 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 FE repair context in the encyclopedia, or open related DIY guides.
