Your SIM must be inserted before you can use your mobile phone.
Remove the back cover
Turn the back of your mobile phone towards you.
Take hold of the top of the back cover and remove it.
Replace the back cover
Place your SIM as illustrated on the SIM holder.
Slide your SIM into the SIM holder.
Place the back cover on your mobile phone, bottom first, and press it into place.
*Please refer to the BlackBerry website for more information or further support.*