OpenSprinkler › Forums › Hardware Questions › OpenSprinkler › OS v2.0 w/Firmware v2.0.4 & Trying to Upgrade to v2.1.7.. lost. Help plz › Reply To: OS v2.0 w/Firmware v2.0.4 & Trying to Upgrade to v2.1.7.. lost. Help plz March 19, 2020 at 9:37 am #64730 RayKeymaster Glad to hear it worked in the end. Thanks for sharing the instructions.
