Shelly RGBW2 not for lights "blinking"

Hi folks. I am using a Shelly RGBW2 to control a water solenoid. Shelly is wired between 12V DC power supply and solenoid. It’s working fine…

I noticed when the relay updated its firmware it repeatedly fired the solenoid - I assume if I was using the relay for its “real” purpose this would be blinking the connected lights to tell me it’s doing something different.

Not so suitable for a water solenoid!

Does anyone know if this blinking behaviour can be disabled?

Would flashing Tasmota or ESPHome to the relay change this behaviour or make a difference?

Thanks :slight_smile: