How to insert an attachment file into a mobile phone

1. Locate the information icon and click it.

2. Click the "Write" option in the lower left corner to create a new message.

3. In the editing interface, click the "Input Content" paper clip icon to add an attachment. In the Attach interface, select the File icon below.

4. Select the file to insert. After inserting the file, the interface prompts "Convert to MMS" and the file can be inserted into SMS.

5. Edit the "Recipient" and click the "Send" button to send the file to the recipient in the form of short message.