An SMS is a text message which can be sent to other tablets and mobile phones. You'll be able to send and receive SMS as soon as you've inserted your SIM card into your tablet. If this isn't the case, you can set up your tablet for SMS manually.
Press the Menu key.
Save the message centre number
Press Message centre.
Key in +41794999000 and press OK.
Return to the Home screen
Press the Home key to end the session and return to the Home screen.