As the article notes, you really need more than one imprint in order to get into a phone - the authors suggest that five distinct imprints could get into about 40-50% of phones, which fits within the 5 try limit imposed by many systems.
> The researchers did not test their approach with real phones, and other security experts said the match rate would be significantly lower in real-life conditions. Still, the findings raise troubling questions about the effectiveness of fingerprint security on smartphones.
As the article notes, you really need more than one imprint in order to get into a phone - the authors suggest that five distinct imprints could get into about 40-50% of phones, which fits within the 5 try limit imposed by many systems.