Version 10 - July 3, 2019 NEW feature: MagicZero - automatic calibration. No longer a need to back pedal or manually calibrate through your headunit* Small bug fixes Related articles How to Qalvin Legacy - Firmware update Version 7 - May 30, 2018 About SRAM AXS App Qalvin Legacy Downloads Rival Power Meter Firmware 1.2.7 Bug Fix