If your device is blocked during the upgrading procedure, please follow the steps below:
- Charge your device
- Go to the application then click on the settings menu
- Make sure that the device is not paired with the phone (You must see a "unpair instead of pair" section).
- Then, click on Help section and select the sub-section Fix firmware upgrade issue
- Select the visual corresponding to the icon that appears on your watch (upgrading icon)
- Click on the search icon, select your device and click repair
This procedure should repair your device and fix this issue.
Then, perform a new upgrading procedure.