RCS Messages "Not Delivered" since iOS 26.1/26.2 update

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RCS Messages "Not Delivered" since iOS 26.1/26.2 update

I'm having issues with sending messages/text to an Android user (Samsung Galaxy) via RCS messaging. When I send a RCS text, I receive a "failed to deliver" notification and "not delivered" next to the text. However the receiver does receive the RCS text. I have read receipts on and it goes from "read at XX:XX" to "not delivered" a minute later.

This issue has been ongoing since the iOS 26.1 update on my iPhone 15 Pro. I have since updated to iOS 26.2 and still no resolution. I have tried:

Force restarting - no change
Turning iMessage on and off
No inactive or duplicate SIM
No VPN
No issues with phone storage or notifications

These notifications are driving me crazy and I'm always second guessing if my message went through. I'm up for an upgrade soon and seriously considering switching to an Android after all this.

iPhone 15 Pro, iOS 26

Posted on Dec 16, 2025 10:58 AM

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Answer 1

Dec 16, 2025 11:24 AM in response to rawritscm

rawritscm wrote:

1. I'm having issues with sending messages/text to an Android user (Samsung Galaxy) via RCS messaging. When I send a RCS text, I receive a "failed to deliver" notification and "not delivered" next to the text. However the receiver does receive the RCS text. I have read receipts on and it goes from "read at XX:XX" to "not delivered" a minute later.

This issue has been ongoing since the iOS 26.1 update on my iPhone 15 Pro. I have since updated to iOS 26.2 and still no resolution. I have tried:

Force restarting - no change

2. Turning iMessage on and off

3. No inactive or duplicate SIM

4. No VPN

5. No issues with phone storage or notifications

These notifications are driving me crazy and I'm always second guessing if my message went through. I'm up for an upgrade soon and seriously considering switching to an Android after all this.

What did your phone carrier say when you reported the issue, and it doesn't matter if you get an Android, as those feature is provided by your phone carrier.

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