iCloud: Some Files Were Unavailable Error, Fix

Some users have reported that they are unable to make backups with iCloud. Users have stated that they are receiving an error about files being unavailable. More specifically iOS users claim that they see an alert message saying “some files were unavailable during the last backup”.

Using iCloud as a backup location, Apple’s cloud storage service, is a great idea. iCloud lets you back up your device easily and wirelessly via a Wi-Fi network so that you do not have to use manual backups using iTunes.

Automatic backups occur when your iOS device is locked and connected to a power source and a Wi-Fi network. All you need to do is to turn on iCloud Backup by going to Settings > iCloud > Backup.

turn on iCloud backup

As we explained below, “some files were unavailable during the last backup” may indicate different things. If you experience this problem, here is how you can troubleshoot:

You can also try to back up your device using iTunes. To do this:

  • Connect your device to your computer
  • Open iTunes
  • Select your device and click “Back Up Now”

Some files were unavailable during the last backup, fix

  1. Restart your device and try again by going to Settings > iCloud > Backup > and “Back Up Now”
  2. This error message may also indicate that some app is running continuously. Kill all apps running in the background. Simply double press the Home button and swipe up on all of the apps. If you want, you can use multiple finger to make things faster.
  3. “Some files were unavailable during the last backup” may mean that your connection was lost temporarily for a short time on your last iCloud backup. If this is the issue, first back up your device using iTunes (see above) then use iCloud.
  4. Delete your last backup then try again. If you are unable to delete old backups, that can be fixed easily.
  5. Force restart your device (simply press and hold the Home and power -sleep/wake- button together until you see the Apple logo) and try again.
  6. Make sure that your have enough iCloud storage. You can manage your storage by going to Settings > iCloud > Storage. If you are having this problem, you can free up space by deleting old backups, photos/videos and files.
  7. Go to Settings > iCloud. Tap your Apple ID and sign in to iCloud.
  8. Go to Settings > iCloud > then scroll down and tap Sing Out of iCloud. Wait a few minutes and sing back in again then try again.
  9. Remove network settings. To do this go to Settings > General > Reset > Reset Network Settings.  Note that this action will remove your network settings such as your Wi-Fi passwords etc.
  10. Make sure that your iPhone or iPad is up to date. You can check this by going to Settings > General > Software Update.

iCloud: How to back up your iPhone or iPad

  • Connect your iPhone or iPad to a Wi-Fi network
  • Tap Settings > iCloud > Backup

Dr. Serhat Kurt worked as a Senior Technology Director. He holds a doctoral degree (or doctorate) from the University of Illinois at Urbana / Champaign and a master’s degree from Purdue University.

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18 thoughts on “iCloud: Some Files Were Unavailable Error, Fix”

  1. Just like everyone else deleting the last backup and disabling the backup service, then re-enabling it and taking a new backup worked for me.

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