NeXT Chip stuck with HID value

I’ve a NeXT chip implant, and currently the RFID value is locked at an HID value.

Both reader/writers I have cannot rewrite it, but work fine with other RFID chips I have.

Any ideas, and writer suggestions would be appreciated

How did you set the T5577 chip in the NExT to an HID ID and analog configuration? What tool was used?

I originally set it by copying the values from a tester RFID car, and writing using this device

Yeah these cloners can set up some really crappy outcomes. You may now need to invest in a proxmark3 rdv4 and the ProxLF antenna to fix this.

@tomharkness has done a lot of work in this area. Search the forum for his posts.