Installing The Sim Or Usim Card - Samsung SM-A310F Quick Start Manual

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Installing the SIM or USIM card

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Only nano-SIM cards work with the
device.
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Insert the ejection pin into the hole on
the SIM card tray to loosen the tray.
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Ensure that the ejection pin is
perpendicular to the hole. Otherwise, the
device may be damaged.
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Carefully insert the SIM card tray to
prevent the SIM card from leaving or
falling out of the tray.
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