- Check a SIM card balance and Internet.
- You can get an accurate information about the location of the smart watch only by GPS.
- Impossible to get GPS signal in the building. Location will be update by Wi-Fi access points or mobile network stations - the accuracy depends on the density of the mobile base stations. The highest density of stations — in the city center (location accuracy from 200 to 500 meters). On the outskirts of cities it can be 1500 – 2000 meters.
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