Anyone else having this issue? No updates visible through software update in App Store. When update downloaded directly from Apple Support, installer states not supported.
Then your iMac doesn't need it.
Per Apple Support:
About iMac EFI Update 2.0
This update is recommended for all iMac (late 2012) models. This update contains general performance fixes pertaining to sleep and Thunderbolt, and improves compatibility when using the 5GHz band in Wi-Fi.
Boot ROM or SMC Version Information.
I have a three day old 27' iMac. I would think this should apply.
As you have been advised, if Software Update says it's not needed it's not needed. You can always call AppleCare if you want further assistance, you're covered for free for 90 days.
It is "recommended". And your Mac has told you that it doesn't support it = doesn't need it.
You can verify with the help of this doc.
iMac EFI Update 2.0 won't install on new 2012 iMac. Any ideas?
