What Does The Blue Dot Mean On Android Messages

The messages app scans your contacts and connects to your your carrier database and determines how many of your contacts are using rcs capable phones and their rcs network infrastructure.

It marks the contacts with a blue dot if they have met the requirements for sending and receiving messages in chat mode. The blue dot only shows up when your using the messaging app. It marks the contacts with a blue dot if they have met the requirements for sending and receiving messages in chat mode. You should be able to send and receive multiple large image files at full resolution.

That means when sending large messages it will show up as one long chat. Also uncompressed video files and your text messages character count limit should go much higher.