Use volume keys to select and confirm with the Power button. Hard Reset Samsung A21S Method 2026 Fast And Easy

For Binary 5, you would need to find a specific "MDM Remove" firmware file.

Press and hold until the Samsung logo appears.

These modified files are flashed using Odin (in the AP slot).

If the MDM policy allows for a reset and you just need to clear the device: the device.

with Binary . Using files for a different binary version can hard-brick your device.