Find "New message"
Press the menu icon.
Press Messaging.
Press New message.
Select recipient
Press Add recipient.
Press the required contact.
Press the required phone number, if required.
When the box next to the required contact is ticked (V), it's selected.
Press Done.
Write text
Press Write message and write the required text.
Click here for information on how to write text.
Send text message
Press Send when you've written your text message.
Exit
Press the Home key to return to standby mode.