When your message is being sent, the icon 
appears next to it. It means the message is being transferred to your contact’s device.
When your message has actually been received by your contact’s device, the message status icon changes to 
.
When your message has been opened by your contact the message status icon turns into your contact’s profile picture. This picture icon moves down with the latest message that has been opened by your contact.
The message status icon 
shows that the content you want to share (a photo or video for example) has not been able to be sent to your contact within a reasonable delay.
When your message is being sent, the icon appears next to it. It means the message is being transferred to your contact’s device.
When your message has actually been received by your contact’s device, the message status icon changes to .
When your message has been opened by your contact the message status icon turns into your contact’s profile picture. This picture icon moves down with the latest message that has been opened by your contact.
The message status icon shows that the content you want to share (a photo or video for example) has not been able to be sent to your contact within a reasonable delay.
