Replacement loudspeaker unit for SAMSUNGsung Galaxy S21 (SM-G991B / G991U)

Part of the stereo speaker system (bottom-firing speaker)

Restores clear audio for ringtones, media playback, and speakerphone

Rich sound quality with balanced volume output

OEM-grade quality for reliable long-term performance

Precision-fit design matches original S21 speaker dimensions

Direct drop-in replacement - easy to install

Solves distorted audio, low volume, or no sound issues

Adhesive backing included for secure mounting