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A text message is a message that can be sent to other tablets and mobile phones. Your tablet can send and receive text messages as soon as you've inserted your SIM. 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 +447785016005 and press OK.
Return to the home screen
Press the Home key to return to the home screen.