Samsung SM-J320FN - SIM, Memory Cards, and System Operations

Basics
14
SIM or USIM card
Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
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Only microSIM cards work with the device.
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Some LTE services may not be available depending on the service provider. For
more information about service availability, contact your service provider.
1
Remove the back cover and battery.
2
►
Single SIM models: Insert the SIM or USIM card with the gold-coloured contacts
facing downwards.