How do I install the SIM or USIM card on Galaxy A3?
1. Insert the SIM or USIM card provided by the mobile telephone service provider.
Only Nano-SIM cards work with the device. Some LTE services may not be available
depending on the service provider.
Insert the ejection pin into the hole on the SIM card tray to loosen the tray.
2. Pull out the SIM card tray gently from the SIM card tray slot.
3. On case of Dual SIM models, Place the SIM or USIM card on the SIM card tray with
the gold colored contacts facing downwards.
Place the primary SIM or USIM card on the SIM card tray 1 ( 1 ) and the secondary
SIM or USIM card on the SIM card tray 2 ( 2 ). Please check the direction of SIM card
which placed on the SIM card tray 2. The SIM card tray 2 also serves as the
memory card tray. However, you cannot place both the SIM or USIM card and the
memory card at the same time.
And, if you have single SIM models, Place the SIM or USIM card on the SIM card
tray with the gold colored contacts facing downwards.
Please 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
4. Insert the SIM card tray back into the SIM card tray slot.
Ensure that the SIM card tray is closed tightly to prevent water and dust entering the device.
Open or loose the try may allow water and dust to enter the device and cause damage.
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