Ming-Chi Kuo: Qualcomm's under-screen fingerprint scanner has speed and accuracy problems

Qualcomm isn't going to like what analyst Ming-Chi Kuo has to say about its in-screen ultrasonic fingerprint scanner technology. But knowing his famously accurate predictions, based on tight supply chain contacts, it's most probably true.

The in-screen fingerprint scanning technology, recently showcased in a prototype smartphone by Chinese manufacturer Vivo, suffers from various drawbacks that prevent manufacturers from implementing it in their handsets.

Notably, key speed and accuracy issues must be resolved before the system is ready for prime time. The latest version, demonstrated ...