Configure Dual SIM Settings
Applicable products： HUAWEI P50 Pocket(dual sim card  8gb+256gb（bali-l29c）)，HUAWEI Mate Xs(dual sim card 8gb+512gb)，HUAWEI P50 Pro(dual sim card 8gb+256gb)，PORSCHE DESIGN HUAWEI Mate 30 RS，HUAWEI Mate 30(dual sim card 8gb+256gb、dual sim card 8gb+128gb)，HUAWEI Mate 30 Pro 5G(dual sim card 8gb+256gb、dual sim card 8gb+128gb)，HUAWEI Mate 30 Pro(dual sim card 8gb+256gb、dual sim card 8gb+128gb)，HUAWEI Mate 40 Pro(single sim card 8gb+256gb、dual sim card 8gb+256gb)，HUAWEI P50 Pocket Premium Edition，HUAWEI nova 9(dual sim card 8gb+128gb)，HUAWEI P40(single sim card 8gb+128gb、dual sim card 8gb+128gb)，HUAWEI P40 Pro+(dual sim card 8gb+512gb)，HUAWEI P40 Pro(single sim card 8gb+256gb、dual sim card 8gb+256gb)
Applicable system: HarmonyOS 2.0, EMUI 12.0
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Configure Dual SIM Settings
If your device 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.

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.

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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