[Galaxy J5/J7 2017] How do I delete a existing fingerprint?
Step 1. Tap Lock screen and security.
On the Settings screen, tap Lock screen and security.
Step 2. Tap Fingerprint Scanner.
Step 3. Unlock the screen using the preset screen lock method.
Step 4. Tap EDIT.
Step 5. Tick fingerprints to delete.
Step 6. Tap REMOVE.
Step 7. Use the present screen lock.
If all registered fingerprints are deregistered, the screen lock type will be changed to the preset screen lock method.
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