Configure Dual SIM Settings
Applicable products：
HUAWEI Mate Xs Dual SIM Card 8GB+512GB
Applicable system:
EMUI 10.1
Applicable products：
Applicable system:
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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 
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.
Go to
.Select a call forwarding mode and turn on the corresponding switch.
Call forwarding between SIMs is enabled when both switches are on.
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