Apple today released MacBook Air SMC update version 1.9, along with MacBook Pro SMC Firmware Update 1.8. The MacBook Air update is recommended for all MacBook Air models from mid 2012 to mid 2013 and addresses an issue that causes the battery to unexpectedly stop functioning.This update is recommended for MacBook Air (mid 2012 and mid 2013) models. This update addresses rare issues where the battery unexpectedly stops functioning, the system does not recognize the battery, or the system hangs when the battery charge reaches less than one percent.The MacBook Pro update is recommended for mid 2012 models and also addresses the same issue that causes the battery to stop functioning.This update is recommended for MacBook Pro (mid 2012) models. This
