, firmware is updated through a local web interface. You can download current files (like .raucb format) from the Webasto Charging Documentation. Software and driver installation instructions - TechWebasto

The standard diagnostic software for heaters. While primarily for testing and clearing errors, it is used in conjunction with official update files. Official downloads are available via the TechWebasto software portal . Webasto SW Updater:

Finding the correct "proshivka" (firmware) for Webasto devices depends on whether you are updating a modern wallbox, a heater controller, or performing diagnostics. Official Software & Tools

A mobile app (iOS) designed to load firmware files (typically with a .avb extension) to compatible Webasto devices. For newer units like the Webasto Next or