Long story short. I had to take my sim out of my galaxy 20 note ultra to a dinosaur Samsung phone to contact my husband as my phone was not fully charged. Once house power was back on I charged my phone and inserted my sim back in. The chat in samsung message however had changed from the RCS (I think that's what it is called) that it was before. When I go to open chat messages it tells me what it does and I click on ok. Then it does this glitch thing and comes up registration failed. I've tried everything to clearing storage to all the possible YouTube quick fixes and nothing works. I'm still using mms. I can use google messages with RCS fine but I hate the layout of it and just want my original set up back. Anyone else have similar problem or have a solution.
