Pull down the “Utilities” menu option and choose “Terminal”, then type the following command into the prompt: The entire line matters, as the date must be correct in order to install OS X, specifically the year, because if the date set is prior to the release of OS X, the error will trigger.
To do this, go to the Apple menu Date & Time, and be sure the “Set date and time automatically” option is checked: That method requires the Mac to have active internet access, however.Once booted into the recovery partition and selecting “Reinstall OS X”, the “Eligibility Verification” window shows up. An unspecified error shows up which states “An Error occurred while preparing the installation.Try running this application again.” Upon doing so, the same exact error pops up.Use the Emergency recovery function in the Smart Switch PC Software. If this was useful please take the time to share the article and do remember to leave a comment below.An Error Has Occurred While Updating The Device Software " data-medium-file=" data-large-file=" class="alignnone wp-image-9562" src=" alt="An Error Has Occurred While Updating The Device Software " width="528" height="431" srcset=" sizes="(max-width: 528px) 100vw, 528px" / 1. Thank you for checking out my article and also note that this method can be used to fix other issues you may have with your phone that affects its functionality.