1. Set data roaming. Watches support overseas roaming and positioning of mobile phone cards. Consult Huawei customer service hotline 950800 for details of international roaming support before going abroad.
2. Complete the binding of mobile phone and watch. Binding can only be done in Chinese mainland, and it is not supported outside the mainland.
3. Open international roaming service. The phone card installed in the watch needs to be opened in advance, and the specific opening method needs to be consulted with the local card operator to ensure its entry into force, in case of delay in entry into force abroad.
4. Change the contact number and information of the watch to "+86".