College Key Card Cloning

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Are you trying to write with Proxmark3 or your phone?

also what are you reading, The default link to dngr.us ?

What are you trying to write?
What app are you trying to write with? TagWriter , NFC Tools?

Basically the password is set to stop you accidentally bricking it, (protects memory blocks from being locked)
rather than preventing you from accessing the usability of it.