For more information, please visit http://support.apple.com/kb/HT2368
To complete the firmware update process, please follow the instructions in the updater application (/Application/Utilities/MacBook Air SMC Firmware Update.app). The updater will launch automatically when the installer closes.
Boot ROM or SMC Version Information: After this update has successfully completed, your SMC Version will be: 1.23f20 (M82)
After this update has successfully completed, your SMC Version will be: 1.34f8 (M96 & M96A)
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