Samsung GT-S7390 - Installing the SIM or USIM Card and; Battery

Getting started
10
Installing the SIM or USIM card and battery
Insert the SIM or USIM card provided by the mobile telephone service provider, and the
included battery.
Only microSIM cards work with the device.
1
Remove the back cover.
Be careful not to damage your fingernails when you remove the back cover.
Do not bend or twist the back cover excessively. Doing so may damage the cover.
2
Insert the SIM or USIM card with the gold-coloured contacts facing downwards.