Touch ID failure


May 15, 2014
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Lately I've not been able to use Touch ID on my 5S. Every time I go to set it as an unlock for my phone it doesn't take a second before it tells me the operation failed. I've updated to iOS 8, performed a full restore, all but scrubbed the sensor, and scoured the net for a fix, but 99% of the fixes assume you can attempt to register a finger print before it fails. Mine just straight up fails without a finger being there.

Information to note: I've had my screen replaced twice by a local third party store that's usually good about getting it right. For some reason they put on my silver 5S a gold fingerprint sensor.

Any thoughts or fixes I haven't listed?