Mac OS X 10.5.8 (Leopard) supports PowerPC Macs, iTunes 10.6.3, iOS 5.1.1. IOS 12 & Yosemite -is a new tip I constructed to cover what can be done for those with Yosemite when downgrading the iOS is no longer possible.įor iOS earlier than 5, see this tip: Which OS do I have and where should I post?So be sure to look this over before upgrading your iOS and backup/sync your iOS with your Mac:

And remember no backup is complete, unless you know you have two working copies.ĭowngrading Mac OS X is possible in many cases, but your iOS is not at all. Consider a lightning port data transfer device if you need to backup data. Be very careful to backup your data properly to avoid problems. offers a means of downgrading from iOS 12 to iOS 11, if no other means work to link an elderly Mac that can't be updated to 10.11. This thread discusses more of the inconsistent requirements that were initially stated: On May 29, 2019, it was found that iOS 12.1.5 could sync with iTunes on Mac OS X 10.10.5 if you kept iTunes 12.5.5. If your iOS is current for it, you can usually use it to unlock either from another current iOS device, or if you don't have a Mac. Two factor authentication logins for AppleID unlocks was introduced on Mac OS 10.12.4.

Present requirements for iOS 13 include Mac OS 10.11.6 for iTunes 12.8 as a bare minimum. On September 19, 2019, iOS 13 was released. Install it and iTunes should hopefully recognize your device. It should notify you of a software update. Double click on MobileDeviceUpdater in the folder that has opened. Unlock your device and connect it to USB. System/Library/PrivateFrameworks/amework/Versions/Current/Resources Make sure you are running 10.11.6 using the Combo to any version of 10.11 and Security Update 2018-004.Īssuming 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:.Reinstall iTunes while the phone is connected: Updating to iOS 14? This thread discusses a trick to enable iTunes syncing to work in El Capitan. Note, some downloads from Apple do not work in Safari for earlier Mac OSes, see this tip if you find you can't download them anymore, to find a browser that will work. This tip is designed to be a one stop shop to find out what iOS you can use if you are able to install a specific Mac OS X.

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