Sim Or Usim Card (Nano-Sim Card) - Samsung SM-G570F/DD User Manual

Basics
Reserve battery mode
Save the battery power by reserving it for calls and messages. In reserve battery mode, you
can use only the Phone and Messages apps.
This feature may not be available depending on the region or service provider.
To use reserve battery power mode, open the Home screen, tap Apps → Settings → Battery
→ Reserve battery for calls, and then tap the switch to activate it. Then, drag the bar to set
the amount of battery power reserved for calls and messages. When your battery power
reaches the preset level, the device will alert you and activate reserve battery mode.
To deactivate reserve battery mode, tap MORE → Disable Reserve battery for calls.

SIM or USIM card (nano-SIM card)

Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
• U se only a nano-SIM card.
• U se caution not to lose or let others use the SIM or USIM card. Samsung is not
responsible for any damages or inconveniences caused by lost or stolen cards.
• D ual SIM models: In some areas, data transfer speeds may be slower if two SIM
cards are inserted in the device than when one SIM card is inserted.
• S ome LTE services may not be available depending on the service provider. For
more information about service availability, contact your service provider.
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