[android-developers] Re: NFC tags with write protection?

Get MiFare UltraLights. They have protection bits that you can set so
that no more writes can occur. I believe this can also be done with
MiFare 1k/4k/etc Classic tags as well but the UL's are cheaper.

On May 4, 4:08 pm, Mark Wyszomierski <mar...@gmail.com> wrote:
> Hi,
>
> I've got some NFC tags and have written some data into them using the
> NXP Tag Writer app available from marketplace.
>
> After writing some data in the tag, I'd like to remove write-access to
> it so people can't overwrite the tag data. Using the Tag Writer app, I
> get a message stating that write protection is not available for the
> tags I have.
>
> Does anyone know of any tags I can order which are writeable and have
> write protection available too?
>
> Thanks

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