Samsung SM-Z130H/DS User Manual page 12

Getting started
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
Open the Apps screen, tap Settings → SIM card manager. Tap one or both of the switches
for the SIM or USIM cards to activate them.
Changing the display name and icon of SIM or USIM cards
Open the Apps screen, tap Settings → SIM card manager. Select a SIM or USIM card and tap
Name or Icon. Set a display name and icon for each card.
Switching between cards
When two SIM or USIM cards are activated, card selection icons appear on the dashboard of
the notifications panel. Open the notifications panel and then select a card.
Charging the battery
Use the charger to charge the battery before using it for the first time. A computer can be also
used to charge the battery by connecting them via the USB cable.
Use only Samsung-approved chargers, batteries, and cables. Unapproved chargers or
cables can cause the battery to explode or damage the device.
• W hen the battery power is low, the battery icon appears empty.
• I f the battery is completely discharged, the device cannot be turned on
immediately when the charger is connected. Allow a depleted battery to charge for
a few minutes before turning on the device.
• I f you use multiple apps at once, network apps, or apps that need a connection
to another device, the battery will drain quickly. To avoid disconnecting from the
network or losing power during a data transfer, always use these apps after fully
charging the battery.
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