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.
Build version: 010A.05
ROM version: IM131.88Z.010A.B05.1211151146.
This software was checked for viruses and was found to be clean. Click here to see antivirus report.