ntag213

[hardvar21]

thank you for reading my question first

i'm trying to put password on ntag213 and there's a feature called PWD and PACK and AUTH0.

even though I read the data sheet i couldn't understand specific function of each features

1. I would be very glad if you tell me specific function of these features and tell me some examples of these features

 2. I accidentally put 00 on AUTH0 and locked one nfc. Is there any way to unlock this nfc?

 thank you for reading and I would be very appreciate if you answer my questions!! 

[Fabian_R]

Hello sir,
We appreciate you are interested in our products. We do have an application note where some hints are provided in order to use the NTAG 213 secure features. In subsection 6.1.2, there is a command flow of the password authentication that hopefully may help you
https://www.nxp.com/docs/en/application-note/AN13089.pdf

Regarding the second question, if you used the tagwriter Android app, there is an option for undoing the protection. But this will only work with the phone you locked it.
I hope this information may have been useful.