When the Xiaomi watch is connected to the mobile phone normally, and the Bluetooth call function is enabled, you can choose to use the watch SIM or mobile phone SIM to make a call on the watch; When the Xiaomi watch leaves the mobile phone and is disconnected from the mobile phone, you can directly use the watch eSim function to easily answer and make calls and enjoy network services.
< br >
It is worth noting that the mobile network default setting is automatic, when the Xiaomi watch and mobile phone Bluetooth connection, the watch SIM card can not receive calls and SMS, can not send SMS. If you want your watch to connect to your phone and still receive calls, you'll need to set the mobile network to on. However, the mobile network is set to enable, which will increase the power consumption of the watch and reduce the standby time of the watch.
< br >
How to turn on mobile network: Turn on your watch and click Settings > Internet connection > Mobile Network > Select On in mobile wireless device.