When I connect my iphone to my laptop, I get a message saying I have to update my OS in order to connect to my iphone. Which system are they updating? Will they update my mac OS and i so, to what OS? I Use high sierra and do not want to upgrade beyond Mojave. I would prefer to stay in High Sierra (I use 32 bit apps)
Connect iPhone to Mac
Use your USB lightening cable --> Resolve USB-related alerts in iTunes - Apple Support
If unable to connect --> If iTunes/Finder doesn't recognize your iPhone, iPad, or iPod - Apple Support
For your Mac --> If your computer doesn't recognize your iPhone, iPad, or iPod ...
Use genuine cable --> Identify counterfeit or uncertified Lightning connector accessories ...
See how to --> Sync your iPhone, iPad, or iPod using iTunes on your computer ...
Here is the process to --> Backup on iTunes.
The steps given in this link will help you reset the passcode -> If you forgot the passcode for your iPhone, iPad, or iPod touch, or your ...
If you are experiencing an issue not listed here, contact support
How sure are you that they are referring to macOS and not iOS?
update to connect to iphone
