Forum › MIFARE SDK › Problem authenticating a MIFARE Ultralight EV1 tag › Reply To: Problem authenticating a MIFARE Ultralight EV1 tag
As a side note, I think there is no waiting time in the code you posted because you are not setting a timeout in the reader. When I remove the timeout from my code I get the behavior you describe, i.e. no waiting time but still a “com.nxp.nfclib.exceptions.NxpNfcLibException: Tag was lost.” is thrown.
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