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mjtomlin said:lighteningkid said:Does anyone have tips or a resource on how to update multiple iPhones (iPhone 8, if it matters) at the same time, without downloading the files over and over? Most of the resources I see online are from 2011 and I imagine it's changed.
If you have a Mac you can use it as a software update cache.
Updates get downloaded to it... then your devices update from it rather than Apple's servers.
System Preferences -> Sharing -> Content Cache
*Note: Doc says after caching is turned on, reboot your devices to locate the cache quicker.