Write and send SMS
An SMS is a text message which can be sent to other mobile phones. If you can't send and receive SMS as soon as you've inserted your SIM, you can set up your mobile phone for SMS manually.
Find "Start chat"
Tap the message icon.
Tap Start chat.
Tap To and key in the first letters of the recipient's name.
Tap the required contact.
Tap the text input field and write the text for your SMS.
Tap the send icon when you've finished your SMS.
Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.