Apple Resources - Syncing Apple Devices
http://edu-observatory.org/olli/Apple_Resources/Syncing.html



SYNC DEVICES WITH iCloud

    

Set up iCloud on all your devices
  https://support.apple.com/guide/icloud/set-up-icloud-on-your-devices-mmfc0f1e2a/icloud   

  To set up iCloud on your devices, sign in to each of them
  with the same Apple ID and password. You can choose which
  apps store information in iCloud and which iCloud features
  you're using separately on each device. Learn more about how
  each app or feature uses iCloud.
 
How to fix iCloud sync in seconds
  https://www.computerworld.com/article/2916476/how-to-fix-icloud-sync-in-seconds.html
 
  Here's what to do when your contacts or calendar events
  don't sync between devices.
  
  
  


SYNC APPLE DEVICES WITH A COMPUTER Sync your iPhone, iPad, or iPod using your computer https://support.apple.com/en-us/HT201253 Use the Finder to sync your iPhone, iPad, or iPod with your computer https://support.apple.com/en-us/HT210611 Starting with macOS Catalina, the Finder replaces iTunes as one of the ways to sync your device with your Mac. The Finder is a macOS feature for browsing and accessing content on your computer. If you update to macOS Catalina or later, you can use the Finder to sync content between your Mac and your iPhone, iPad, or iPod touch. The experience is similar to using iTunes. Use iTunes to sync your iPhone, iPad, or iPod with your computer https://support.apple.com/en-us/HT210612 If you're using macOS Mojave or earlier or a Windows PC, use iTunes to sync content to your devices. Before you use iTunes to sync content to your iOS or iPadOS device, consider using iCloud, Apple Music, or similar services to keep content from your Mac or PC in the cloud. This way, you can access your music, photos, and more on your devices when you aren't near your computer. Learn more about using Apple Music or iCloud Photos instead of iTunes. sam.wormley@icloud.com