I have the feeling that the researched tried to unlock real phones and failed.
It sounds weird when you say you have made a research about security of fingerprint scanners on phones without actually trying the attacks on those phones.
> I have the feeling that the researched tried to unlock real phones and failed.
That sounds plausible.
Think about how much more impressive their results would be if they demonstrated the attack on real phones. But they have a paper to publish, so why detract from the paper by mentioning that tests on real phones didn't pan out.
It sounds weird when you say you have made a research about security of fingerprint scanners on phones without actually trying the attacks on those phones.