A flaw that means any fingerprint can unlock a Galaxy S10 phone has been acknowledged by Samsung. From a report: It promised a software patch that would fix the problem. The issue was spotted by a British woman whose husband was able to unlock her phone with his thumbprint just by adding a cheap screen protector. When the S10 was launched, in March, Samsung described the fingerprint authentication system as “revolutionary.” The scanner sends ultrasounds to detect 3D ridges of fingerprints in order to recognize users. Samsung said it was “aware of the case of S10’s malfunctioning fingerprint recognition and will soon issue a software patch.”

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Source: Slashdot – Samsung Says Anyone’s Thumbprint Can Unlock 0 Galaxy S10 Smartphone