Not able to write to NTAG216

I just got the xNT NFC Tag [NTAG216] implanted successfully. I can read the UID ok with the DT KBR1 just fine. I also ran the password set with the DT app. I can read it just fine with the NFC Tools app (

). However when i try to write anything to it i just receive a “write error” (

Any ideas on how to write to it?

try TagWriter from NXP first… write an NDEF record to it.

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When i first got my implant, it was locked. The lock bytes were set to address 0 (meaning anything past that was password protected and couldn’t be written to).

The default password is ffffffff

I had to use the Dangerous NFC Android app to set the lock bytes to an address that allowed me to wrote to the chip.