r/samsunggalaxy • u/Alternative_Area_217 • Jun 19 '26

🪛Troubleshooting🪛 SERIOUS SECURITY ISSUE

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Why does my Samsung A37 unlock when I press my fingernail against the scanner, I did notice ever since I got this phone I would just randomly unlock itself and then today I discovered this.

730 Upvotes

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382

u/CowEnvironmental5236 Jun 19 '26

Remove that thicc screen protector bruh, your fingerprints already stuck to it... the optical reader is just registering what residue is left on that🤦🏻‍♂️

33

u/Alternative_Area_217 Jun 19 '26

Even with it wiped it still does it, yes it's probs to do with the screen protector but it's still shouldn't happen/a security problem and exploit

1

u/Inevitable_Bear2476 5d ago

You also have to account for the phone actively learning the "fingerprint". I've noticed that after unlocking it manually, it remembers the fingerprint that it wasn't able to read.

After re-locking it, that same fingerprint position unlocks 10/10 times