Can't update iOS version nor restore my iPhoneXS

I was trying to update the current iOS version (14.2) on my iPhone XS to 14.4 using my MAC but I receive the following error:

The iPhone “XXXX” could not be updated. Declined to authorize this image on this device for this user.

I've received this error when trying to restore the IOS as well.


I haven't experienced such issues before


Could anyone assist please?

iPhone XS

Posted on Jan 28, 2021 3:25 AM

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Posted on Jan 28, 2021 7:36 AM

Thanks Peter


I've followed the following link:

Updating iOS: common issues and solutions - Apple Community


and it seems that the thing that has made the difference is the following:

  • You cannot be connected through VPN

When I turned the VPN off, I could update wirelessly

5 replies

Jan 28, 2021 4:25 AM in response to LD150

Hi Peter,

Yes, there is a recent backup of the iphone.

I'd tried to update the iphone wirelessly before trying to do that through the MAC, but it failed saying the iphone wasn't connected to internet (which was not true as the iphone was connected to WiFi and all the applications were running smoothly w/o any cellular data consumption).

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Can't update iOS version nor restore my iPhoneXS

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