I received a short message telling me to buy a mobile phone. How to send it without a card?

I received a short message telling me that I bought a mobile phone and it arrived. My mobile phone has no card, and the sending method is as follows.

1, log in to Fetion page first.

2. After logging in, the page will enter the message tab by default, and click+in the upper right corner.

3. Select Send SMS, and then click New SMS.

4. Enter the content and send the message.