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  1. doppel Help Center
  2. Troubleshooting

Troubleshooting

App bugs, Bluetooth connectivity and firmware help guides.

Firmware

  • How to reset or update the firmware on your doppel
  • My firmware update is taking more than a few minutes
  • My doppel has become unresponsive after a failed firmware update
  • My doppel is stuck in a continuous spin and won’t turn off
  • I’ve received the error message ‘Fatal: Not supported, on operation start DFU update’

Bluetooth Connectivity

  • How do I re-pair to the app?
  • I can't pair my doppel with the app
  • My doppel unpairs with the app regularly
  • How to clear your Bluetooth cache
  • doppel stops running when I close the app

App Bugs

  • The app is taking too long to sync
  • My heart rate reading fails
  • My app drains my device's battery too quickly
  • I keep getting error messages in the app. What do these mean?
  • I’m getting an error which says ‘Could not cloud sync. Please check your internet connection.’
doppel Help Center