: Software patches resolve communication drops with the Smart Dongle (WLAN-FE/4G). They also harden the system against digital vulnerabilities. Tracking Inverter Firmware Versions

If an update fails, first ensure the update file name matches the required format (e.g., sun2000_usb.zip ). Restart the app and re-download the package. If the issue persists, contact your installer, as certain updates require direct access to the service port.

If the inverter is offline or you have poor internet connectivity: