Status: Fixed for most users after clearing data, updating apps, or using Google’s de-registration link.
The "Registration Failed" error for Samsung Messages chat typically occurs because your phone number is still registered with Google's RCS servers
through another app (usually Google Messages) or because you have hit a temporary registration quota samsung.com Immediate Fixes Deregister via Web : Visit the Google Messages Disable Chat
page to manually de-register your number from RCS servers. Wait 8 to 24 hours before attempting to re-register in Samsung Messages. Toggle Flight Mode & Clear Cache Airplane Mode Settings > Apps and select Samsung Messages Google Messages Carrier Services For each, select Clear Cache Clear Data Airplane Mode and restart the phone. Check Default App Settings : Ensure Samsung Messages is set as your Default SMS app before attempting to enable Chat features. Reset Network Settings
: In some cases, the error is due to a network sync issue. Contact your carrier to have them reset your SIM/eSIM account on their end. us.community.samsung.com Why This Happens Samsung Messages Chat registration failed 28 Mar 2022 —
How to Fix "Chat Registration Failed" in Samsung Messages Frustrated by that stubborn "registration failed" error when trying to turn on Chat features (RCS) in Samsung Messages? You aren't alone. This usually happens because Google’s RCS servers see multiple registration attempts—often from switching between Samsung and Google Messages—and temporarily block your number. samsung messages chat registration failed fixed
Here is a step-by-step guide to clearing the block and getting your high-quality chats back. 1. The "Clean Slate" Method
Most registration failures occur because your number is still "stuck" in Google’s RCS backend from a previous session. Go to the Google Messages Deactivation Portal.
Enter your phone number at the bottom of the page to remotely deregister from RCS.
Wait at least 8 to 24 hours before trying again to allow the server cache to clear. 2. Clear App Data and Cache
Corrupted temporary files can keep the app in an error loop. Status: Fixed for most users after clearing data,
Samsung Messages: Go to Settings > Apps > Messages > Storage and tap Clear Cache.
Carrier Services: Search for Carrier Services in your Apps list (if installed) and Clear Storage. This app handles the actual "handshake" between your phone and the RCS network. 3. The Toggle Trick
If the basic clear doesn't work, try this sequence suggested by the community: Temporarily set Google Messages as your default app. Turn OFF RCS/Chat features inside Google Messages settings. Switch back to Samsung Messages and set it as default.
Try to enable Chat settings again. If prompted for your number, enter it carefully. Samsung Messages Chat registration failed - Page 7
If nothing above worked, your carrier has a stuck RCS profile. SMS support cannot fix this; you need Tier 2 tech support. If nothing above worked, your carrier has a
What to say to your carrier:
"My phone number is stuck in a 'pending RCS registration' state on your IMS core. Please remove my MDN from the RCS application server and re-provision the service. I need a network reset from your side."
Specific carrier dialer codes (Try these first):
Google’s Carrier Services app handles RCS on many phones.
Some carriers require RCS to be provisioned manually on their end. Ask them to: