PowerLogicâ„¢ ION8800 series firmware version 372 contains a number of new features and changes that are designed to help improve the security of your meter. We highly recommend that you upgrade your firmware to this version. This document lists the new functionality in firmware version 372, as well as information on how to obtain additional information and resources. ZIP file hash: SHA256: 40437E6A86D8E3F7900EA12BF42BF8B21889556AA0D53FE48C977C39760820B8