I can't send and receive text messages

There's an error at the receiving end

Send a text message to another number to check if the error is at the receiving end.

1 of 9 steps Press Apps.
2 of 9 steps Press Messaging.
3 of 9 steps Press the new message icon.
4 of 9 steps Key in the first letters of the required contact.Matching contacts are displayed.
5 of 9 steps Press the required contact.
6 of 9 steps Press the text input field.Write the text for your text message.
7 of 9 steps Press the send icon when you've written your text message.
8 of 9 steps Press the Home key to return to standby mode.