Dual SIM RCS will enhance the texting experience on both numbers linked to your phone. Google has been working on introducing dual SIM RCS support in Google Messages for a long time now.

Google is testing a change to its Messages app that could affect how dual-SIM Android users switch between their phone numbers. The update moves the SIM selection option from the message ...

Google Messages is making a small change to how texting works for dual-SIM users ... version 20250209_01_RC00.phone.openbeta_dynamic, we noticed that the SIM swap icon for changing lines while ...