Growatt SPH - Check the inverter firmware on the inverter display 2 months ago Updated FollowNot yet followed by anyone Go to the main menu (press ESC twice) Find FW Version: YA1.0 and press OK. The inverter firmware version is displayed. Related articles Growatt SPH - Inverter firmware remotely check via OSS Growatt Growatt SPH - Inverter local firmware update Growatt SPH - Update inverter firmware Growatt SPH - Checking the correct wiring of the inverter Growatt SPH - Inverter - smartmeter communication