Samsung S21 support sd card
From what im reading the s21 ultra doesnt have an sd card slot samsung has stopped putting a sd card slot on their phones.
Does the Galaxy S21 Have SD Card Slot (Expandable Memory)? - ESR
Everything need you to know: Does the Galaxy S21 Have SD Card Slot (Expandable Memory)?,Learn more now!
Samsung Sim Card Slots/Trays Parts | eBay
The short and not-so-sweet answer is NO, as the Galaxy S25, S25 Plus, and the S25 Ultra don’t have an SD card slot. Since there isn’t an SD card slot, Samsung ...