Samsung GT-S5780 Cell Phone User Manual


 
Assembling
9
To install the SIM or USIM card and battery,
If the device is on, press and hold [
1
] and select Ye s to
turn it o.
Remove the back cover.
2
Be careful not to damage your ngernails when you
remove the back cover.
Insert the SIM or USIM card with the gold-coloured
3
contacts facing down.
If you do not insert a SIM or USIM card, you can only use
your device’s non-network services and some menus.