xEM received, injected and readable just cant write?

[black_sam]

So here is the link to the thread where I walked through troubleshooting with @TomHarkness.

Trouble configuring new xEM implant

All - For the sake of others with the same problem, I was finally able to resolve the issue and write to the xEM chip. Here is what worked for me - I am using a Proxmark3 RDV2 as shown above and was only able to read the chip with the included antenna. After searching through these forums in addition to the proxmark forums, it seemed like the only solution was a different LF antenna. I found one that is essentially the same as the one sold in the xEM Access Controller kit. https://dangero…

I was eventually able to successfully write to the xEM chip. However, @amal shared that it was probably a 1 out of 100 chance of success. I shared what I did to get it to work in the thread that I just linked to. Good luck!!!