Forerunner 935: Optical Heart Rate Sensor is Cracking

If you are noticing cracks in the optical heart rate sensor on the back of your Forerunner 935 watch, you can submit a request to have the watch exchanged through the following tool:  Garmin's Online Exchange Tool for the Forerunner 935

IMPORTANT: The Garmin exchange tool is only available in select countries and an exchange fee may apply when submitting a request to replace your device. Refer to the drop-down list in the exchange link for details. Contact your local Garmin Product Support office for assistance if your country is not listed.