Samsung J1 SM-J120F - Manual (Page 13)

Basics
13
SIM or USIM card
Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
• Only microSIM cards work with the device.
• 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.