A new class action lawsuit filed in California takes aim at an erstwhile iOS battery management tool that allegedly hindered the performance of certain iPhone 6, iPhone 7 and iPhone SE series devices.Filed with the U.S. District Court for the Northern District of California, the complaint is the latest in a series of lawsuits targeting the so-called "batterygate" fiasco from 2017. The complaint arrives on the same day as a submission deadline for iPhone owners who wish to take part in a $500 million settlement that was reached earlier this year to rectify identical grievances.Discovered shortly after the release of iOS 10.2.1, the iPhone throttling issue was traced back to a hardware management tool that was included in subsequent iOS versions to mitigate negative effects of aging iPhone batteries. In particular, the software was designed to thwart unexpected shutdowns suffered by certain iPhone 6 and 6s devices.Read more