1. Maybe you missed the “On/Off” key. Press it with your fingernail or the corner of the card remover.
2. Long press “On/Off” for about 10 seconds to reset the watch, then try again.
3. The battery may be dead; charge the watch, then turn it on after half an hour of charging.
2. Long press “On/Off” for about 10 seconds to reset the watch, then try again.
3. The battery may be dead; charge the watch, then turn it on after half an hour of charging.