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Samsung RCS Glitch: Google Investigates Connection Errors
21 Aug
Summary
- Google is investigating an RCS messaging connection error affecting some Android devices.
- Users switching to new Samsung phones or carriers encounter error code 3100.
- Creative workarounds include VPN use and disabling two-factor authentication.

Google is investigating a significant issue causing RCS messaging connection errors for some Android users, commonly encountered when switching to new Samsung phones or changing carriers. This problem, identified by error code 3100, has led to disruptions in messaging services for users of devices like Samsung's Galaxy S26 and Z Fold.
Several workarounds have emerged within user communities. These range from advanced technical steps, such as temporarily disabling two-factor authentication and reverting Google Play Services updates, to simpler methods like utilizing a VPN to re-establish a connection. For those anticipating a device change or carrier switch, disabling RCS messaging beforehand is recommended.
RCS, or Rich Communication Services, is Google's advanced messaging standard intended to replace SMS. This protocol, which now bridges Android and iOS communication thanks to Apple's 2024 adoption, has seen deeper integration with Samsung devices following a partnership finalized in 2024. Samsung's transition from its own Messages app to Google's has also coincided with the introduction of end-to-end encryption for RCS services this summer.