Overview
- Apple updated its support documentation on September 15 to set iOS 11 and macOS High Sierra as the minimum software for iCloud access.
- Keychain, iCloud Photos, device backups, Find My, and iCloud Drive are listed as unavailable on iOS 10 and macOS Sierra.
- Devices capped at iOS 10, including iPhone 5, iPhone 5c, and the fourth‑generation iPad, can no longer use iCloud services.
- Most Macs are unaffected because machines that ran Sierra can install High Sierra, with loss of access occurring only if they were never updated.
- Forum reactions note surprise and concerns about cloud longevity, with some users pointing out that removal of support may not mean features stop immediately.