This software has added support for removing MDM on various Samsung models, including those with newer security patches. You can download it from the TSM Tool Official Site .
There are two primary ways to handle MDM on this specific model and binary:
To remove Mobile Device Management (MDM) from a Samsung Galaxy A21s (SM-A217F) Go to product viewer dialog for this item.
Use volume keys to select and confirm with the Power button. Hard Reset Samsung A21S Method 2026 Fast And Easy
Professional tools are updated regularly to handle newer binary levels like U5.