Do not remove the memory card when an application is using it. Doing so may damage the memory card and the device and corrupt data stored on the card.
If the device is switched on, before you remove the card, press the power key, and select Remove memory card.
When Remove memory card? Some applications will be closed. is displayed, select Yes.
When Remove memory card and press 'OK' is displayed, remove the back cover of the device, and push the card in, until you hear a click.
Pull out the memory card, and replace the back cover. If the device is switched on, select OK.