Samsung SM-A025U1 User Manual page 17

Basics
Place the SIM or USIM card on the tray with the gold-colored contacts facing downwards
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and gently press the SIM or USIM card into the tray to secure it.
Insert the tray back into the tray slot.
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• Use only a nano-SIM card.
• Use 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.
• Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device may
be damaged.
• If the card is not fixed firmly into the tray, the SIM card may leave or fall out of the
tray.
• If you insert the tray into your device while the tray is wet, your device may be
damaged. Always make sure the tray is dry.
• Fully insert the tray into the tray slot to prevent liquid from entering your device.
SIM card manager (dual SIM models)
Launch the Settings app and tap Connections → SIM card manager.
• SIM cards: Activate the SIM card to use and customize the SIM card settings.
• Preferred SIM card: Select to use specific SIM cards for some features, such as voice calls,
when two cards are activated.
• More SIM card settings: Customize the call settings.
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