TraditionalSMS textsare sent directly from one rig to another via cellular networks.

RCS allows sending messages that include multimedia (such as images and videos) to many recipients over Wi-Fi.

The downsides of RCS are it only works for Android devices and requires an internet connection.

However, you’re free to revert to regular delivery notifications if you dont want to see it.

Turn on SMS delivery reports.

You should stop getting Sent as SMS via server and start seeing Sent, Delivered, or Failed.

wipe the Message app cache.

There’s an off chance that your phone can’t send RCS messages due to a temporary bug.

Clearing your gear cache can resolve such issues.

Turn off RCS chats.

In the Message app, go toSettings>RCS chats>Turn on RCS chatsto turn it off.

Therefore, it’s not recommended.

If you don’t see RCS chats in parameters, first tapChat Features.

Turn on RCS chats.