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 Version 7 - May 30, 2018 Rival Power Meter Firmware 1.2.7 Bug Fix Legacy Power Meter Qalvin Compatibility Version 24 - June 17, 2015 LED Continuously Flash Orange - DZero/Four/EagleMTB ONLY