Step 1: In order to establish a connection with the dongle, the dongle must be unplugged from the inverter and plugged in again.
Step 2: After approx. one minute, a WLAN hotspot of the dongle can be found, which is active for 2 minutes.
Step 3: Now, when commissioning the unit, the QR code of the dongle must be scanned instead of the QR code on the inverter.
Step 4: As soon as you have logged on to the dongle as an installer, you will find the corresponding entry for updating the device under the menu item "Maintenance".
You can request the latest firmware version via the SKE support channel.