
So, unless you quickly realize your mistake and correct it before the message is viewed, you can’t do anything but regret the action. If it has been more than 15 minutes since the message was sent, you will not be allowed to delete the message for everyone.
Another limitation here is that the “Undo Send” feature is available only for up to 15 minutes after sending the message. If they didn’t see the preview when the original message was sent, they won’t know anything about the message.
Hence, they will easily find out that you have deleted a message from the conversation.
If the recipient is running iOS 16, they will get a notification saying a message was unsent. This means if you unsend a message to someone using iOS 15 or older OS builds, the message will not be deleted for them, and they will still see it in the conversation. It also works on the latest iPadOS 16 and macOS Ventura beta updates. As mentioned above, the “Undo Send” feature requires iOS 16, which is currently in beta and will be rolled out to the public later this fall. The important points you need to remember are: If you are already aware of those, you can move to the steps below. Before getting started, there are certain limitations with the undo send feature in iMessage that you should know.