Samsung announces Galaxy S21 series, including 8K capable, 108MP Galaxy S21 Ultra: Digital Photography Review
Samsung's Galaxy S21 phones don't include microSD card support - The Verge
Does Galaxy S21 FE support micro SD card or dual SIM
No MicroSD Slot on The Samsung Galaxy S21. WHY? - YouTube
Akash Pal on X: "Reports suggest that the Galaxy S21 and S21+ will not support expandable storage. S21 Ultra will reportedly be the only model with a microSD card slot.Each Galaxy model
Does The Galaxy S21 FE Have An SD Card Slot? What You Need To Know