Update. Touch ID working again. Seems to be an intermittent issue. Phone was low on battery when fault originally occurred.
bakethejakecake
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Also dead touch ID. iPhone 6s, iOS14.0.1. Issue didn't occur immediately after install. Approx 1 week later, phone became unresponsive and slow, restarted phone and Touch ID no longer works at all. Cannot scan any finger prints, no error message given.