How to send more than 1000 short messages at a time?

1, turn on the phone, find the message on the interface and open it. 2. Enter the SMS interface and click the similar edit icon on the upper right. 3. To add a contact, click the "Add+"icon to the right of the recipient. 4. Select the "recipient" of mobile phone group sending. 5. Enter the short message content, click the send button on the right to send a short message.