334      iPhone_iPad_Mac_apple

macOS high sierra install fail firmware issue

In trying to upgrade to MacOS High Sierra, the installation fails because the firmware could not be verified.  Any Solutions?

Hi,

Update firmware here: https://support.apple.com/en-us/HT201518

最後更新：2017-09-27 02:32:55

  上一篇： reading list will not load up

  下一篇： At&t Grandfathered Data Plan With Series 3