Mate 30 User Guide-(TAS-L09&L29,EMUI11.0_01,en)

Table Of Contents
1 Go to Set
tings > 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 congured for both SIM
car
ds.
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 notication panel, then swipe down again to
sho
w 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 Set
tings to access the SIM management screen.
Enable Data Roaming
Onc
e you have activated the international roaming service, you can enable this feature to use
mobile data when traveling abroad.
This f
eature requires the support of your carrier. For details, contact your carrier.
Charges may apply when using the international roaming service. For details about
how data roaming fees are charged, contact your carrier.
Go to Set
tings > Mobile network > Mobile data, and enable Data roaming.
If your phone has two SIM cards installed, congure the settings for SIM 1 and SIM 2
respectively.
Use VoLTE to Make HD Video Calls
VoLTE (Voice over LTE) is an IP-based data transmission technology. After enabling VoLTE, it
can provide you with fast call connection times and high-quality voice and video calls.
Enable VoLTE
1 Contact your carrier to activate the VoLTE service for your SIM card. If both the primary
and secondary SIM card trays of a dual-SIM phone support VoLTE, it can be enabled for
both SIM cards.
2 If two SIM cards have been inserted, go to Settings > Mobile network > Mobile data. In
the network settings area for SIM 1 or SIM 2, enable VoLTE calls.
This f
eature may vary depending on your carrier.
5G services are only available in some countries and regions.
Make a Video Call
Video calls ar
e only possible when both parties are using VoLTE-activated devices.
Settings
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