The “The last backup could not be completed” issue is directly related to the backup issue in iCloud. The problem can be caused by a weak internet connection to technical errors in the Apple system. As diagnosis is the first step towards solving a problem, we will enlist problems related to The Last Backup Could Not Be Completed on iCloud.
How to Fix “The Last Backup Could Not Be Completed”
Check for Server Error
Sometimes the issue isn’t on your end, and iCloud may be having some technical difficulties. It could be a developer’s bug, or the server could be down, causing the backup to fail. You can check this on apple system status.
Check your iCloud Storage
iCloud offers free storage of only 5GB. Only a small amount of items can be backed up in such low storage. Check the storage space available on your iCloud through Settings.
On iPhone or iPad
On Mac
Enable iCloud Backup
If your files aren’t being backed up, it is possible that your iCloud backup is disabled. iCloud does not back up your files if this is disabled.
iOS/iPad
On Macbook
Check Your WiFi Connection
You may want to double-check your internet connection. The data takes a comparatively longer time to export to iCloud. A bad internet connection can interrupt the backup process from your device to iCloud. If your internet connection is slower than usual, restart your router. If available, switch to another faster network. If your internet connection is normally this slow, talk to your Internet Service Provider and upgrade to a better plan.
Buy More Storage on iCloud
You can change your storage plan for iCloud through settings. There are three plans you can upgrade from your free iCloud plan.
On iPad/iPadOS
On Mac
Remove Previous Backup
You can delete your previous backup from your iCloud. This will create space on your cloud storage to perform an undisturbed backup.
On iOS/iPad
On Macbook
Sign Back Into Your Apple ID
Sometimes, this issue is solved by signing out and signing in to your Apple ID again. Follow these instructions to sign back into your Apple ID
On iOS/iPadOS
On Mac
Update Your Software
Outdated software creates problems for your device in performing its normal tasks. Existing bugs from the previous installation remain unsolved. Leaving your software outdated may be the reason one may face problems in the backup process. When you upgrade your software, it resolves most of the bugs from the previous installation. It also improves the functionality of your device.
On iPad/iPadOS
On Mac
