Samsung admitted-while initially blamed the non-use of authorized components on the devices-that the combination of certain screen protectors with the Samsung Galaxy S10 (possibly with Note 10), can "confuse" the fingerprint reader that has It on the screen, allowing unlocking the mobile with any finger.
The fingerprint reader of S10 works by sending ultrasound to create a 3D model of the user's fingerprint. If the screen protector has a microvacuum with the display or microabrasions, they are inserted into the training pattern and make it unlock the device to anyone.
This security gap is expected to be corrected with software fix, which is already in the process of creation by the company.
Samsung’s official support site admits that certain screen protectors can be a problem for the phone, noting that “unofficial, scratched or dirty screen protectors may cause the fingerprint sensor to malfunction.” The company has also said that some screen protectors that come with silicone phone cases can be recognized alongside fingerprints by the phone’s sensor, according to a message in Samsung’s support app
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