Can foreign mobile phone cards be used normally in China?

Since foreign SIM cards may be compatible with mobile phones, in order to ensure that your machine can use the SIM card normally, it is recommended to try inserting it.

Whether the mobile phone can be used in areas other than mainland China depends on:

1. The network mode supported by the mobile phone;

2. Whether the network frequency band is the same as the one used. Whether the network mode of the country and region matches the network frequency band. If it matches, it can be used.

If you use a domestic mobile phone card, you need to contact the domestic operator to activate international roaming service and verify whether it supports use;

If you use a non-mainland China mobile phone card, you need to contact the operator Check the network frequency band with the supplier.