People are debating where the problem is in the process from fingerpad to lights on, but the matter of the problem is with the Pixel 2 XL on Android 8.1.
Samsung may need several more years to replicate Apple's Face ID magic, but in the meantime, the Galaxy S9 should sport a beefed-up iris scanner.
The iPhone X is the world's only 3D sensing mobile device right now, but OPPO and Xiaomi are expected to integrate technology similar to Face ID in 2018.
AT&T, Sprint, T-Mobile and Verizon are apparently all in for a unified authentication method to better and more efficiently verify user information.
The all-new Qualcomm Fingerprint Sensor for Display sounds like everything Samsung needs to get rid of awkwardly placed rear-mounted scanners.