iPhone 13 Pro Max not connecting to 2019 iMac after OS 15.7.9 update

Recently stopped using my 2019 iMac for short period. Have now gone back to it but I plug in my iPhone 13 Pro Max I now get the following error



How do I solve this problem?. Before I temporarily stopped using iMac It worked ok Now using OS 15.7.9 (24G830) Sequoia. Has there been a change to OS?

iPhone 13 Pro Max, iOS 27

Posted on Aug 29, 2026 3:09 AM

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Question marked as Top-ranking reply

Posted on Aug 29, 2026 6:23 AM

Eject and disconnect the iPhone from the iMac.

Restart both the iMac and the iPhone.

Reconnect and try again.


If your Mac says that a software update is required to connect to iPhone or iPad - Apple Support

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iPhone 13 Pro Max not connecting to 2019 iMac after OS 15.7.9 update

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