Huawei HUAWEI Mate 20 User Manual download pdf (Page 4)

Dual Card Dual Standby Single

Pass (dual-SIM devices only)

Your device supports only dual card dual standby single pass,

which means you cannot use both SIM cards for calls or data

services simultaneously.

l When you are on a call using SIM card 1, SIM card 2 cannot

be used to make or answer calls. If someone calls SIM card

2, the caller will hear a voice message similar to "The

subscriber you dialed is out of the service area" or "The

subscriber you dialed cannot be connected for the moment,

please try again later." The actual message will vary by

service provider.

l When you are using SIM card 1's data service, SIM card 2's

data service will be disabled.

Your device's single pass feature helps reduce power

consumption and increase your device's standby time. It is not

related to your service provider's network conditions.

l You can enable call forwarding between SIMs on the

device to avoid missed calls.

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Huawei HUAWEI Mate 20 User Manual Page 4