Configure Dual SIM Settings

Configure Dual SIM Settings

If your phone has two SIM cards inserted, you can set the default mobile data SIM and the default calling SIM, and enable call forwarding between the two SIM cards.

This feature applies to dual-SIM devices only.

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Set the Default Mobile Data and Default Calling SIM Cards

Go to Settings > Mobile network > SIM management and set SIM 1 or SIM 2 as the default mobile data or default calling SIM card.

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Enable Call Forwarding Between SIM Cards

After enabling call forwarding for both SIM cards, if incoming calls cannot reach one of the SIM cards, they will be forwarded to the other one.

This feature requires the support of your carrier. For details, contact your carrier.

  1. Go to Settings > Mobile network > SIM management > Call forwarding between SIMs .

  2. Select a call forwarding mode and turn on the corresponding switch.

    Call forwarding between two SIM cards will be enabled when it is configured for both SIM cards.

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Smart Data Switch

If two SIM cards are inserted in your device, you can enable Smart data switch for your phone to automatically switch between mobile data SIM cards based on the network quality to optimize your Internet experience.

  1. Go to Settings > Mobile network > SIM management and enable Smart Data Switch.

  2. Set a mobile data limit for the non-default mobile data SIM to avoid excessive data charges.

Once this function is enabled, your phone will constantly monitor the network status. When the network quality of the default mobile data SIM is poor, the mobile data service will automatically switch to the non-default mobile data SIM. When the network quality of the default mobile data SIM gets better, the mobile data service will automatically switch back to the default mobile data SIM.

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Quickly Switch the Default Mobile Data SIM

If two SIM cards have been installed on your phone, you can use a shortcut to quickly switch the default mobile data SIM card.

  1. Swipe down from the status bar to open the notification panel, then swipe down again to show all shortcuts. Turn on Mobile data.

  2. Touch the text under until a prompt is displayed, then select a SIM card and touch OK.

When the prompt is displayed, touch SETTINGS to access the SIM management screen.

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Enable Dual SIM 5G

If both of the SIM cards in your device support 5G, you can enable 5G on both simultaneously.

  1. Go to Settings > Mobile network > Mobile data > More.

  2. Turn on Dual SIM 5G, the 5G switches for both cards will be turned on.

  3. If you turn off Dual SIM 5G, the 5G for the primary SIM card will still be turned on, 5G on the secondary SIM card will be disabled and the 5G switch for the secondary card will be hidden.

 

  • The Dual SIM 5G switch is turned on by default.

  • After Dual SIM 5G is turned on, turning off the 5G switch for either SIM card will not turn off the Dual SIM 5G switch.

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