Version 6 - April 2, 2018 Fixes a bug that affects battery life on some DZero models Additional patches and bug fixes Related articles Version 7 - May 30, 2018 Version 5 - November 9, 2017 Version 10 - July 3, 2019 Rival Power Meter Firmware 1.2.7 Bug Fix Version 4 - May 4, 2017
