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...having trouble restoring my iPhone. I'm running OS X Yosemite 10.10.5 as I can't upgrade further due to age of iMac. Therefore iTunes version is 12.8.1.3; I'm guessing this issue won't resolve itself due to these limitations. Meanwhile, my iPhone stuck without a functioning iOS.
Any advice or experience with this?
iPhone 6s Plus, iOS 11
For iOS 12 you need iTunes 12.8.0.150 or better running on OS X 10.11.4 or better. See How to upgrade to OS X El Capitan - Apple Support if required.
Assuming a suitable version of iTunes is in place then in Finder use the menu item Go > Go to Folder..., copy the following text, paste it into the dialog box and press enter:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/Current/Resources
Unlock your device and connect it to USB. Double click on MobileDeviceUpdater in the folder that has opened. It should notify you of a software update. Install it and iTunes should hopefully recognize your device.
Do you have a backup in iCloud? If you could find a willing help or an Apple Store that can help you restore the device, which will update it to iOS 12, then you can restore your backup over the air.
tt2
For iOS 12 you need iTunes 12.8.0.150 or better running on OS X 10.11.4 or better. See How to upgrade to OS X El Capitan - Apple Support if required.
Assuming a suitable version of iTunes is in place then in Finder use the menu item Go > Go to Folder..., copy the following text, paste it into the dialog box and press enter:
/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/Current/Resources
Unlock your device and connect it to USB. Double click on MobileDeviceUpdater in the folder that has opened. It should notify you of a software update. Install it and iTunes should hopefully recognize your device.
Do you have a backup in iCloud? If you could find a willing help or an Apple Store that can help you restore the device, which will update it to iOS 12, then you can restore your backup over the air.
tt2
iTunes error 4005
