RCS should eventually entirely replace SMS, as it provides a better text messaging experience. This transition should speed up once Apple adds support for the communication protocol to the iPhone's Messages app later this year. But RCS has its own pain points, with uncontrolled spam being among the biggest. At one point, the situation was so bad in India that Google had to turn off RCS promotional messages altogether. Google now appears set to take a drastic step to reduce unwanted promotional messages and discourage scammers from using RCS.
