iCloud backup fail with "The last backup could not be completed because of poor network conditions"

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iCloud backup fail with "The last backup could not be completed because of poor network conditions"

Backup started to fail after upgrade to 14.5.

I tried all of the fixes listed in forums.

iPad Air 3 Wi-Fi

Posted on May 11, 2021 5:35 AM

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Answer 1

Top-ranking reply

dumbldor_

Level 1

58 points

May 11, 2021 6:40 AM in response to Inthenameofgodaretheykidding

Thank you for using Apple Support Communities! I understand that you're receiving a network related error when attempting to make a backup of your iPhone to iCloud. I would be happy to help point you towards a resolution.

The following support article provides relevant troubleshooting steps to try for this issue:

If iCloud Backup couldn’t be completed or you can’t restore - Apple Support

Consider connecting to a different Wi-Fi network if the error persists after trying those steps. While the following resource is for help when you can't connect your iPhone to Wi-Fi, it provides additional troubleshooting steps to troubleshoot your Wi-Fi connection as well:

If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network - Apple Support

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Answer 2

May 13, 2021 10:48 AM in response to Inthenameofgodaretheykidding

None of my ios devices will backup to iCloud on my home network.

After doing a backup and restore via my Mac, on my iPad air, it still would not backup to iCloud.

While restoring iMovie on the iPad, I got a dialog that asked if I wanted to wait until I was connected to Wi-Fi to continue.

My iPad Air (A2316) is Wi-Fi only, and not tethered to a cell enabled device.

Conclusion: All my iOS devices (3 iPhones, 4 iPads think they are on a cellular connection when connected to my Wi-Fi.

My home network is AT&T fiber.

I passthrough the AT&T router to an Asus RT-AX88U with IPv6 enabled. (3.0.0.4.386_42820 Latest Firmware)

As a test I started a backup on my iPhone at the supermarket on their Wi-Fi.

The backup to iCloud completed with out issue. Same phone still will not backup at home.

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iCloud backup fail with "The last backup could not be completed because of poor network conditions"

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