OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Firmware upgrade of Rayshobby Raspi 1.2 doesn't work › Reply To: Firmware upgrade of Rayshobby Raspi 1.2 doesn't work August 5, 2019 at 6:00 am #62026 RayKeymaster Did you look at Section C of the instructions? (Stopping various versions of sprinkler program from running) If that doesn’t work, just burn a new Raspbian from scratch and follow the instructions to install firmware.
