According to official accounts such as Shanghai Telecom and Nanjing Telecom,China Telecom has resumed opening dual-terminal eSIM service for Apple Watch across the country. Other brands of eSIM watches still need to wait for follow-up notifications.The one-number dual-terminal service means that users can add a watch as an eSIM accessory device (secondary card) under the account and package of their own mobile phone number (main number).The mobile phone and watch share the same number, share the number, package calls and data, and can make calls and surf the Internet separately.
If you don’t have your mobile phone with you, you can make calls through a smart watch with eSIM service enabled, and you don’t have to worry about missing important calls.
It should be noted that although China Telecom has resumed its one-number dual-terminal service, it has some requirements for equipment, as follows:
Software version:
Watch software Apple Watch WatchOS version is 10.3 and above
Mobile software iPhone device iOS version is 26.1 and above
Watch model:
Apple Watch Series 7 (A2476/A2478) and subsequent watches supporting eSIM function
Complete one-number dual-terminal business processing through Apple Watch APP
The operation guide is as follows:
