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How does vivo x9L control the traffic of which card?

Vivo X9L mobile phone is a mobile full netcom version, and the default priority mobile card is a network card. Only when the mobile card is turned off can the data of Unicom/Telecom card be used. When both cards are mobile cards or both cards are not mobile cards, you can still switch network cards independently.

Method to close the SIM card: Go to mobile phone settings-dual card and mobile network, and close the "Enable SIM card" of the mobile phone.

Specific operation steps:

1, standby desktop click setting

2. Dual card and mobile network

3. Just turn off the "Enable SIM Card" of the mobile phone.