I can't upgrade iCloud

gccgns,

Thanks for confirming that, and giving those steps a try.

Do you receive the same error when trying to upgrade your iCloud storage on another device?

If you haven't tried, use the steps below to do so:

"Upgrade to iCloud+ from any device

Whether you’re on an iPhone, iPad, iPod touch, Mac, or PC, upgrading to iCloud+ is simple. Choose your device below and buy more in just a few quick steps.

How to upgrade on your iPhone, iPad, or iPod touch

1. Go to Settings > [your name] > iCloud > Manage Storage or iCloud Storage.
2. Tap Buy More Storage or Change Storage Plan.
3. Choose a plan and follow the onscreen instructions.

If you're on your iPhone, iPad, or iPod touch with iOS 14 or iPadOS 14 or later, tap here to upgrade to iCloud+. 

How to upgrade on your Mac

1. Choose Apple menu  > System Preferences, then click Apple ID.
2. Click iCloud.
3. Click Manage in the lower-right corner.
4. Click Change Storage Plan or Buy More Storage, and choose a plan.
5. Click Next and enter your Apple ID password.

How to upgrade on your Windows PC

1. Open iCloud for Windows.
2. Click Storage.
3. Click Change Storage Plan.
4. Choose a plan, then click Next.
5. Enter your Apple ID password, then click Buy."

This information can be found in Upgrade to iCloud+.

If you continue to receive the same error message, reach out for additional assistance with this here: Get Support

Take care.

Hi gccgns,

Thank you for posting in Apple Support Communities! From our understanding, you are getting this error message when you attempt to upgrade your iCloud Storage, is that right?

Since noticing this has your iPhone been restarted? Does this continue on both Wi-Fi and cellular?

Restart your iPhone

Upgrade to iCloud+

Have a good one!