Garmin’s instructions seem to suggest that devices will need to be factory reset if a power cycle does not work.
Garmin recommends turning your device off using the power/light button, which may take 15 seconds, then booting it up again.
Timeless boot screen Garmin smartwatch users are complaining that their watches are stuck in a never-ending boot screen ...
The popular outdoor watch company has admitted some models are getting stuck on the boot up screen and has issued a statement.