iCloud Not Syncing After iOS 26.4 Update
Quick answer
iOS and iPadOS 26.4 had a CloudKit bug that stopped apps from getting notified about new iCloud data, so Passwords, Notes and third-party apps synced late or not at all. Apple fixed it in iOS 26.4.1; update to fix it.
Most likely fix: Update to iOS 26.4.1 or later
How to fix it
Try these in order — the most common fix is first.
1. Update to iOS 26.4.1 or later
- Settings > General > Software Update
- Install 26.4.1 or any later version
Did this fix it?2. Force a sync until you update
- Close and reopen the affected app
- Pull down to refresh in apps that support it
Did this fix it?
Symptoms
After updating to iOS 26.4, changes made on a Mac or another device don't show up on the iPhone or iPad until much later; Passwords, Notes and apps like Drafts look out of date.
Why it happens
- CloudKit push notifications broken in iOS/iPadOS 26.4
- Apps without a fallback sync only update when reopened
This guide also covers
- icloud not syncing ios 26
- ios 26.4 icloud sync bug
- passwords not syncing iphone
- cloudkit sync bug
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