Password protected but not read only?

[DonFire]

For an incredibly detailed explanation plus exactly what pages / bytes are set to what see:

DNFC and password protection

Hi there, The home screen on Dangerous NFC explains exactly what is happening; [image] In layman’s terms; Page 03 contains what’s known as the CC or capability container. This specific memory page is OTP or One Time Programmable. That means all bits in that page are 0 by default, and can be flipped to 1, but never back to 0… they are one-way flips. The CC is what is used to indicate to a reader what purpose this RFID tag is serving. The NFC specification requires that NTAG216 chip based RF…