OpenSprinkler › Forums › OpenSprinkler Unified Firmware › SD card instructions › Re: Re: SD card instructions September 17, 2014 at 7:09 pm #28238 TechFanParticipant @cpaine wrote: Desktop folder “Equipment, manuals, etc”, subfolder “OpenSprinkler”. When the download has finished, the file is 39,248 KB. Can you try a simpler path. . .move the folder to c: and name it something without spaces and commas.