Samsung Galaxy S21 Plus 5G (Dual Sim) 256GB Phantom Violet
Amazon.com: P and R 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
Guide for the Samsung Galaxy S21 5G - Select dual SIM settings | Vodafone Australia
Samsung Galaxy S21 5G 128GB 8GB RAM Gray Dual SIM
Samsung Galaxy S21 5G : Install & Use a 2nd Nano SIM Card - YouTube