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
SM-G998UZNFXAA | Galaxy S21 Ultra 5G 512GB (Unlocked) Phantom Brown | Samsung Business US
Comparing Samsung Galaxy S22 Ultra and S21 Ultra specs - Video - CNET
Does the Samsung Galaxy S21 have a microSD slot? | Android Central
Galaxy S21/Ultra/Plus: Does Your Phone Support SD Card Memory Expansion? - YouTube
Does the Galaxy S21 Ultra have expandable memory (SD Card Slot)? - ESR Blog