How can I check the firmware version of my POWERCRANK? You can check it using our INPEAK Manager mobile application. Tagged: firmwareinpeak menagerinpeak powercrankmobile appmobile applicationpowercrankversion Related Articles How to install the app? What allowes the app? Where can I find the PIN number? How to update firmware in my device? What is “ZWIFT compatibility” in mobile app? I cannot add my device to the app.