Samsung SM-G316ML/DS User Manual page 12

Getting started
► Dual SIM models: Pull out the SIM or USIM card.
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► Single SIM models: Pull out the SIM or USIM card.
Using dual SIM or USIM cards (dual SIM models)
If you insert two SIM or USIM cards, you can have two phone numbers or service providers for
a single device.
Activating SIM or USIM cards
On the Home screen, tap
Tap one or both of the switches for the SIM or USIM cards to activate them.
If both cards are activated, you can receive calls and messages on each card. However,
if you are on a call using one card, the other card cannot be used to receive new calls.
Changing the display name and icon of SIM or USIM cards
On the Home screen, tap
Select a SIM or USIM card and tap Select icon or Register name.
Set a display name and icon for each card.
→ Settings → SIM card manager.
→ Settings → SIM card manager.
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