Configure Dual SIM Settings
Applicable products： HUAWEI Mate 30 Pro(dual sim card 8gb+256gb、dual sim card 8gb+128gb)
Applicable products：
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Configure Dual SIM Settings

If your device has two SIM cards inserted, you can set one as the default mobile data SIM and the other as the default calling SIM, or set call forwarding between the two SIM cards.

This feature applies to dual-SIM devices only.

Set a Default Mobile Data and a Default Calling SIM

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

Enable Call Forwarding Between SIMs

After enabling call forwarding between two SIM cards, incoming calls to an unavailable SIM card will be forwarded to the other one.

This feature requires the support of your mobile 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 SIMs is enabled when both switches are on.

Smart Data Switch

If two SIMs are inserted in your device, you can enable Smart data switch. Your device will automatically switch the mobile data SIM to optimise your Internet experience.

Go to Settings > Mobile network > SIM management and enable Switch data connection during calls.

The two SIM cards must be from different carriers.

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