Depending on your wireless service provider and wireless
network, this
feature might not be supported.
If your BlackBerry smartphone uses a
SIM card and you set your SIM card to store text messages, your text messages still
appear in the Messages application.
On the home screen, click the Messages icon.
Press the key
> Options > Text Messaging.
In the SMS section, select the Leave Messages On
SIM Card checkbox.
Press the
key >
Save.
To stop storing text
messages on your SIM card, clear the Leave Messages On SIM
Card checkbox.