Use content caching on the Mac to share updates
Save internet bandwidth and speed up macOS, iOS and iPadOS updates using a cache on the Mac
There are often multiple Apple devices in homes and offices. You may have an iMac and a MacBook, you, your partner and teenage kids may all have iPhones, maybe even a couple of Apple TVs, too. Updates for devices are sometimes large and the internet gets bogged down updating each device separately.