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Image caption A graphic symbol tells users where they need to press to provide a fingerprint. A flaw that means any fingerprint can unlock a Galaxy S10 phone has been acknowledged by Samsung. 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 when it was stored in a cheap case. When the S10 was launched, in March, Samsung described the fingerprint authentication system as "revolutionary". AIR GAP. The scanner sends ultrasounds to detect 3D ridges of fingerprints in order to recognise users. Samsung said it was "aware of the case of S10's malfunctioning fingerprint recognition and will soon issue a software patch". Full story

18 October