Facing RCS issues in Google Messages? You're not alone (Update)

Some users of the Google Messages app are experiencing trouble connecting to RCS messaging after switching devices.
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How to enable, disable, and use RCS chat in Google Messages

Since Google's push to RCS standards in 2019, Android's Messages app by Google offers great in-house features. After you've opened Google Messages and enabled RCS chats, you'll find typing indicators, ...
The Droid Guy

Google Messages RCS Not Working? 10 Fixes for Chat Features, Carrier Sync, and Dual-SIM Issues (2026)

Open Google Messages → profile icon → Messages settings → RCS chats → turn off “RCS chats.” Wait a full 5 minutes (not 30 seconds — the deregistration needs time to propagate to Google’s servers).
hacks

Google Messages RCS Issues Explained: 3 Failure Patterns

Google Messages RCS issues: two documented failure patterns, and the one official fix Google Messages RCS issues tend to show up in one of ...
iTechify

Google Messages 3100 Error: Why RCS Is Breaking for Galaxy Users

The Google Messages 3100 error is blocking RCS for many users, especially Galaxy switchers. Here's what causes it and how to ...