Scanner front end performs 40-Msample/s conversion — Wolfson adds features, speed to its latest AFE –>San Mateo, Calif. – Flatbed scanners and multifunction peripherals appear to be settling out a bit ...
No, having it at the front is WAY more convenient. If you have the phone on a desk and need to unlock it, a front scanner is infinitely more convenient because you don't have to pick the phone up.