How to use


YF20

After connecting with a smartphone

Synchronization

After pairing, the watch and your smartphone are connected and synchronized automatically as the dedicated app is started up or displayed on the phone.

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Synchronization does not start when distance between the smartphone and the watch is 10 m (33 feet) or more or there is any obstacle between them.


Swiping down the [Home] screen also starts data synchronization.

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Adjustment of the time and calendar