I have an XU-Z11 dongle which stopped responding. I cannot read or write to it. The CTS indicator is live. The dongle has no reset button.
How can I recover it?
If you are able to read the module from over the air, then you can. Otherwise you will need to replace it.
I actually found the solution here: https://www.digi.com/support/knowledge-base/location-of-the-reset-line-on-an-xstick