Samsung SM-C701F/DS User Manual page 18

Basics
Removing the SIM or USIM card
1
Insert the ejection pin into the hole on the tray to loosen the tray.
2
Pull out the tray gently from the tray slot.
3
Remove the SIM or USIM card.
4
Insert the tray back into the tray slot.
Using dual SIM or USIM cards
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 Apps → Settings → Connections → SIM card manager. Select a
SIM or USIM card and tap the switch to activate it.
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.
These situations apply to voice and video calls.
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