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Change back iPhone iOS 16.4.1 back to 16.2?

Posted: Thu Apr 20, 2023 12:25 pm
by DR White
When I connect directly from laptop to phone and am in Xcode Devices and Simulators, I get the following message:
This operation can fail if the version of the OS on the device is incompatible with the installed version of Xcode. You may also need to restart your Mac and device in order to correctly detect compatibility.
I did restart my computer, but did not help.

I am using:
MacBook Pro M2
Ventura 13.3.1

iPhone 12
iOS 16.4.1

Xcode 14.2
LC 9.6.9

Is there a way to for me to change my phone iOS back to 16.2 (my last backup was 18 months ago)?

Thanks,

David

Re: Change back iPhone iOS 16.4.1 back to 16.2?

Posted: Thu Apr 20, 2023 1:35 pm
by LiveCode_Panos
Hello David,

It might be possible to downgrade your device iOS version, but Apple has made this really difficult these days. And it does not worth the effort.

RE the message you see, I _think_ it is just a warning, and it can be ignored. So, you should still be able to detect your connected device via Xcode, and still be able to install a .app from your machine into your device.

However, if you want to get rid of the error/warning, here is what you should do:

0. Quit Xcode and disconnect your device

1. Download the device support files for iOS 16.4 from here:

https://github.com/filsv/iOSDeviceSuppo ... r/16.4.zip

2. Extract the .zip and place it into the appropriate place in your Xcode 14.2 app bundle, that is:

/path/to/Xcode14.2.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/

3. Reopen Xcode and reconnect your iOS 16.4.x device.

Hope this helps.

Kind regards,
Panos
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Re: Change back iPhone iOS 16.4.1 back to 16.2?

Posted: Thu Apr 20, 2023 3:40 pm
by DR White
Panos,

That worked great!!!

You are the BEST!!!!! :D

I connecting to my phone now, but still cannot load development file due to some unusual phenomena with certificates made with my new computer
having a different team ID than my team ID at developer.com. Trying to work with Apple.

Thanks you so much,
David