OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Announcing OpenSprinkler Unified Firmware 2.1.9 › Reply To: Announcing OpenSprinkler Unified Firmware 2.1.9 December 9, 2019 at 3:40 pm #63588 RayKeymaster @JonInAz: what specific error message are you getting? “unsuccessful” does not give enough details for diagnosing the problem.