Having the same problem. I tried the cache reset which did nothing. I've added multiple fingerprints for the same finger which works for a while but then just stops. I was able to delete the fingerprints and re-add them which worked for a while but has now stopped again. Now, I can't even add a new fingerprint. I get to about 55% and then it just stops. The fact that it works for a while seems like something they should be able to fix. Is anyone out there Samsung??????
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