Message software update required when connecting to an iMac and iPhone

Hi madhusudhanrao_iphone12promax, We appreciate you reaching out to us. We understand that you are getting a prompt to for a software update, but the installation failed.

We’d like to gather additional details that may help us be in a better position to assist you. Have you had the chance to try a different network to install the software update?

This detail can help isolate network-related issues.

In the meantime, we recommend that you check if the issue persists while on safe mode. 

Below is an article to help guide you through the process.

How to use safe mode on your Mac

Take care!

What macOS version? If you have Mojave or older, the message means iTunes needs a patch to continue managing devices running iOS 16. It only patches Tunes and will NOT change your Mac's operating system.

I upgraded my iPhone to iOS16 using my iMac 2017 running Mojave and got the same message. If you had an install failure with the patch, make sure you turn off any useless anti-virus or so-called "cleaning" apps..\

FWIW, there have been a few reports of users running macOS 12.6 cannot apply the patch. Supposedly there is a fix in the works.