How to switch traffic between Huawei mobile phone dual cards?

First, set the default data card.

Go to settings > mobile network > SIM card management, and set card 1 or card 2 as the default data card.

Second, the intelligent switching network card

Turn on the smart switching network card, and the mobile phone will automatically switch the network card according to the network quality to ensure a smoother online experience.

1, enter Settings >; Mobile network > SIM card management, and turn on the smart switching network card switch.

2, according to the need, set the traffic package limit of non-default network card to avoid high traffic charges after switching to non-default network card.

After the phone is turned on, your phone will detect the network status. When the network quality of the default network card is not good, the data flow will automatically switch to the non-default network card. Switch back to the default network card when the network quality of the default network card is good.