Samsung GT-B7510 Bluetooth Headset User Manual


 
Assembling
10
To install the SIM or USIM card and battery,
If the device is on, press and hold [
1
] and select Power
o 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.
3
Place the SIM or USIM card into the device with the
gold-coloured 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.