As of 4.30.18, we are retiring the Nike+ FuelBand, Nike+ SportWatch, and additional older technologies. Find out what this means for your NikePlus data and download the NRC and NTC apps to continue to track your progress.
You can reset the Nike+ Sensor calibration by clicking the gear-shaped Settings icon on your iPhone or iPod touch home screen. Scroll down and select Nike + iPod, then click "Reset Calibration" at the bottom of the page.