Receiving error code 4000

mrdave53 Said:

"Receiving error code 4000 during backup-update IOS: I forgot all about iTunes not doing what it promises it can do. I expected the software to update the IOS on my phone AND back it up, what a fool I am. So - then recalled how constipated iTunes is, was, and shall be - downloaded the IOS myself, then went on to back it up. All is well now that I took iTunes software out of the auto-function loop."

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👍Great Job Troubleshooting!

mrdave53 Said:

"Receiving error code 4000 during backup-update IOS"

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Refer to the link provide atop this post.