A phone or tablet problem starting right after an OS update, a new case/accessory or a restored backup should be checked against that change first. For Samsung Secure Folder, first verify the correct device unlock and Samsung Account recovery path before changing settings.
What this covers
- Samsung Secure Folder with this exact failure state
- Diagnosis across Samsung Account and lock method versus device storage, policy and backup
What it does not cover
Try in this order
0 of 4 completedCapture the exact failure state
ReversibleNote the exact update version, accessory or backup date, and confirm the feature worked immediately before it. Expected behavior: unlock the protected container and retain its separately stored apps and data.
Isolate the component boundary
ReversibleVerify the correct device unlock and Samsung Account recovery path before changing settings. Test with the new accessory removed, or check the update's known-issues note for the exact symptom. Boundary to separate: Samsung Account and lock method versus device storage, policy and backup.
Correct only the proven cause
ReversibleUpdate, use supported recovery or restore only from a verified Secure Folder backup. Reset the one setting the update changed, or replace the incompatible accessory.
Verify and stop safely
ReversibleConfirm normal operation with the change present for one full day of typical use. Do not clear data, uninstall or reset without accepting possible protected-data loss.
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