Data Saver; Sim Card Manager (Dual Sim Models) - Samsung Galaxy J7 Duo User Manual

Settings

Data saver

Reduce your data usage by preventing some apps running in the background from sending
or receiving data.
On the Settings screen, tap Connections → Data usage → Data saver and tap the switch to
activate it.
When the data saver feature is activated, the
To select apps to use data without restriction, tap Allow app while Data saver on and
select apps.

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 Connections → SIM card manager.
• Calls: Select a SIM or USIM card for voice calls.
• Text messages: Select a SIM or USIM for messaging.
• Mobile data: Select a SIM or USIM card for data services.
• Confirm SIM card for calls: Set the device to ask which SIM or USIM card to use for the
next call when you make a call without using your preferred SIM or USIM card for calls.
• Smart dual SIM: 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.
icon will appear on the status bar.
for more information.
104
Data saver feature activated
Using dual SIM