Bricked t55 chip when trying to clone

[amal]

Ok good job laying out your process

@stalbertmama

I had wiped it (lf t55 wipe) and written to it as an HID prox card using lf hid clone -w H10301 --fc 118 --cn 1603. The write was successful

How do you know this? Did you perform a read after?

I would simply perform a wipe again, then try cloning your ioProx data to it.

If that doesn’t work try these recovery steps…

Reviving a bricked T5577

The T5577 chip is a great wonder of the world. https://www.youtube.com/watch?v=SEZsnVoPIR8/ That said, it is sensitive. The chip’s memory is arranged in blocks, and block 0 is a critical block that holds configuration data for how the chip should behave, if a password is set or not, and other critical settings. It is vulnerable to tearing - the act of leaving writable memory corrupted if the write operation is interrupted or suffers from insufficient power available to complete properly. If y…