: The device (Access Point or Switch) cannot resolve the download URL (e.g., dl.ui.com ), resulting in an empty or non-existent /tmp/fwupdate.bin file.
The update tool attempted to verify or apply a firmware image located at /tmp/fwupdate.bin but rejected it as invalid, returning a non‑zero exit code 65024 . : The device (Access Point or Switch) cannot
: Attempting to install a version that is not designed for that specific hardware model or trying an unsupported downgrade. Effective Troubleshooting Steps : The device (Access Point or Switch) cannot
You can also enable debug logging to see exactly why the check failed: : The device (Access Point or Switch) cannot
Vendors provide checksums on their download page.