Apple Event: May 7th at 7 am PT

Newsroom Update

Apple is introducing a new Apple Watch Pride Edition Braided Solo Loop, matching watch face, and dynamic iOS and iPadOS wallpapers as a way to champion global movements to protect and advance equality for LGBTQ+ communities. Learn more >

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

sam162811 Author

Level 1

4 points

unable to back up iphone with error message 400

back up iphone failed with error message as abvove

Posted on Jun 2, 2021 6:49 PM

Best reply

Limnos

Level 10

411,259 points

Posted on Jun 2, 2021 8:50 PM

Do you mean 4000?

If you see Error 4000 updating your iPhone with Windows iTunes - Apple Community user document. Click here to read --> https://discussions.apple.com/docs/DOC-250003773

See these 5 pages of discussion about iOS14 Error 4000 --> https://discussions.apple.com/thread/251804526

which was recommended by an Apple Community Specialist in this post --> https://discussions.apple.com/thread/252380437?answerId=254515885022#254515885022

Another solution by manually selecting the update file in WIndows:

https://discussions.apple.com/thread/252708257?answerId=255119643022#255119643022

View in context

unable to back up iphone with error message 400

Similar questions