How to get rid of the red exclamation mark on ipad information?

Apple's message exclamation point is caused by the inability to send text messages. You need to restart the "iMessage" function to cancel. The specific operation method is as follows:

1. Take Apple 8 as an example. First, click the "Settings" system icon, as shown in the figure below:

2. Then click the "Information" option, as shown in the following figure:

3. Then turn on the "iMessage" option on the right, shut down and restart, as shown in the following figure:

4. If you want to clear the exclamation mark on the message, you need to restart the Apple phone, as shown in the following figure:

5. When waiting to turn on the Apple phone again, click the "Info" icon again, as shown in the following figure:

6. Then send unsent messages, as shown in the following figure: