The button set for the Samsung Galaxy S21 includes a power button and volume buttons. The power button is used to turn the phone on and off, while the volume buttons increase and decrease the volume.
- Type: Power and volume buttons
- Color: Gray
- Compatibility: Samsung Galaxy S21 G991B / G991B/DS / G991U / G991U1 / G991W / G991N / G9910 / G991Q