flexMN 0 bytes; store failed; this tag can't be formatted

Support
22

Pages 04 and 05 look to have some sort of malformed data in them.

At this point you might consider using NFC shell to send raw write commands for those pages and just set them to null (00)

23

Did I do right? Looks like nothing has changed

A2 04 000000
A2 05 000000
NFC Shell

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NTAG Docs

https://www.nxp.com/docs/en/data-sheet/NTAG213_215_216.pdf

NTAG Commands

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CC

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Write command description

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24

you didn’t put enough bytes :slight_smile: there are only 3 sets of 00 when there should be 4…

A20400000000
A20500000000

25

Yeah, I was tried this too, but same result

26

Are you sure? Did you get back NAK?

27

Ye

TX: A20400000000
RX: NAK
TX: A20500000000
RX: NAK
TX:
RX: NAK
TX: 3004
RX: 0103A00C340300FE0000000000000000
TX: 3005
RX: 340300FE000000000000000000000000

28

Hmm… Well shoot. Now I’m confused. It should write