cannot connect to icloud

If you can't connect or sign in to iCloud, Apple has a list of things you can try in the document If you can't connect or sign in to iCloud - Apple Support

If you are using a VPN, try turning it off and see if you can then log in.

For more assistance try the iCloud Support web site --> iCloud - Official Apple Support

If you still have problems try official Apple Support. Click here --> Choose your country or region - Official Apple Support Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.

or:

Contact Apple for support and service --> "See a list of Apple phone numbers around the world."

Click here --> Contact Apple for support and service - Apple Support

donfromduffy Said:

"cannot connect to icloud: since ios 16.3 cannot connect to icloud"

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Troubleshooting iCloud Logins:

Verify this Device:

Verify that you the device is no longer logged in to your account, by using this link: Check your Apple ID Device List to See where you're Signed in - Apple Support

Report this to Apple:

Do your part: Let Apple know what is going on here. Provide them with feedback on this. They may not get back to you directly, but the more feedback they received on this, the more they will know what is going on, and what needs to be fixed in updates to come.

1. Go Here: Feedback - iPhone - Apple
2. Comment: that it is after installing the update when the issue began. Include the URL of this thread.
3. Select: "Bug Report" for the "Feedback Type"
4. Proceed from there aw necessary