1. Make sure the cable is properly connected to your watch and computer.
   
   
2. Make sure you use a cable micro-USB capable of data transfer. Some micro-USB cables can only be used for charging. A "lightning" sign on the cable specifies this.
   
   
3. Make sure you have the latest version of ONconnect:
   
   - ONconnect Windows version
   - ONconnect Mac version
   
   

If you still have a problem, please contact our Support team on the page.