Good news! I was able to revive my xM1+. I got a Proxmark Easy in the mail. After some messing around I was able to read the tag. It had 0s for everything: UID, ATQA, SAC, data. I tried the remagic and formatmifare lua scripts…both of which said they were successful but nothing actually seemed to change on the tag. Eventually I tried hf mf cset uid 01020304 0004 08 f and it worked! My tag came back. I’ve since tried changing that UID to the original but it just sets everything back to all zeroes. I’m thinking there’s something I’ve missed and will be studying up. For now I’m just happy to know my tag is alive!
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