That’s not good. The default capability container values are
E1 10 6D 00
Those are “One Time Programmable” bytes, so they can’t be changed back. Here’s a snippet from the datasheet.
This is why the Product Page for the xNT says to download the Dangerous NFC and protect your tag.
The xNT is an older implant, which allowed customers to have complete control over all the configuration. This problem kept occurring, so the newer NExT implant has this configuration done for you before delivery.
@my18666
Where did you purchase your xNT? On the Dangerous Things website, or from a reseller?