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How does Huawei mobile phone switch the mobile data of mobile phone card?

Take Huawei Glory 10 mobile phone as an example, and the specific methods are as follows:

First, find "Settings" on the desktop, and then click Enter. ?

Secondly, after entering, find "wireless and network" and then click enter. ?

Third, after entering, find "Dual Card Management" and click Enter. ?

Fourth, after entering, the SIM of the traffic to be used will be lit.

5. Then click Switch.