iMessage not working on iOS 26? This one setting fixes the Not Delivered error

The fix is straightforward: manually toggle iMessage off and back on after activating your eSIM. This forces th ...

Apple shares a fix for frustrating ‘Not Delivered’ iMessage bug

Apple today updated a support document with details on why iMessages might show a “Not Delivered” alert, appear as ...
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iMessage Not Working on iOS 26? Apple Explains How to Fix It

In a support document, Apple said it might be related to having an inactive SIM with the same phone number as your active SIM. Signs of a broken iMessage, according to Apple, include a "Not Delivered" ...

How to enable iMessage on your iPhone to easily send messages to iPhone, iPad, and Mac users

It's easy to enable iMessage on an iPhone to send messages over cellular data or Wi-Fi with other iPhones, or over Wi-Fi with iPads or Mac computers.

Apple Explains How to Fix iMessage Not Delivered Alert in iOS 26

Apple today updated its iMessage troubleshooting support document to add a scenario that can occur in iOS 26. If you don't activate iMessage ...