Version 7 - May 30, 2018 A fix for some power meters disconnecting from Qalvin BLE app when device is updating firmware Other minor bug fixes to improve overall use Related articles Version 6 - April 2, 2018 Legacy Power Meter Qalvin Compatibility How to Qalvin Legacy - Connecting a Power Meter How do I update the firmware of my Rival power meter? Rival Power Meter Firmware 1.2.7 Bug Fix