Solved: S21 series have dual sim? - Samsung Community
Samsung Confirms: Galaxy S21 FE Will Have Dual SIMs in US | PCMag
Amazon.com: P&R, PandR Galaxy S21 S21 Plus S21 Ultra Dual SIM Card Tray Holder Slot Replacement Parts for Samsung Galaxy S21 S21 Plus S21 Ultra 5G Type C and Eject Pin Phantom
Ultimate Guide for Using SIM Card on Galaxy S21 - Samsung Galaxy S21 Guides
Guide for the Samsung Galaxy S21 5G - Select dual SIM settings | Vodafone Australia