Open the fusionsolar website and enter your installer account.
Then
In this step you can notice that existing firmware is "V300R001C00SPC116". The existing firmware series is V300R001C00SPCXXX In the next steps, you will check if upgrade is available and how to upgrade.
Then
On step 5, check if the upgraded firmware is available by searching the same firmware series V300R001C00SPCXXX, if available, then move to step 6.
On step 6, you will be asked to choose the similar devices registered under your PV plant to do firmware upgrade.
On step 7, Click confirm and the firmware will start upgrading.
YOU ARE DONE !
