Sim Card Manager (Dual Sim Models); Flight Mode; Mobile Networks - Samsung Z4 User Manual

Settings

SIM card manager (dual SIM models)

Activate your SIM or USIM cards and customise the SIM card settings. Refer to
or USIM cards (dual SIM models)
On the Settings screen, tap SIM card manager.
• C alls and messages: Select a SIM or USIM card for voice calls and messaging.
• M obile data: Select a SIM or USIM card for data service.
• D ual SIM always on: Set the device to allow incoming calls from the other SIM or USIM
card during a call.
When this feature is enabled, you may incur additional charges for call forwarding
depending on the region or service provider.

Flight mode

This disables all wireless functions on your device. You can use only non-network services.
On the Settings screen, tap Flight mode.
Make sure the device is turned off during takeoff and landing. After takeoff, you can
use the device in flight mode if allowed by aircraft personnel.

Mobile networks

Configure your mobile network settings.
On the Settings screen, tap Mobile networks.
• M obile data: Set the device to use data connections on any mobile network.
• D ata roaming: Set the device to use data connections when you are roaming.
• N etwork mode (single SIM models): Select a network type.
SIM1 network mode / SIM2 network mode (dual SIM models): Select a network type.
• S ervice providers: Search for available networks and manually register a network.
• M obile network connections: Set networks for data and multimedia messaging services.
for more information.
84
Using dual SIM