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failing to download version 15.4.1 to my iphone 12 pro

I try to download to my iPhone 12 Pro software update # 15.4.1 and every time downloading the update fails again and again, I tried through the computer too and it failed and gives me error number 4000 (unknown), when I do the update through the iPhone it gives me that " Unable to complete the update because I'm not logged in

Posted on Apr 27, 2022 5:54 AM

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Question marked as Top-ranking reply

Posted on Apr 27, 2022 6:18 AM

Click ▶︎ Software Update Failure.


—If that didn’t work—


Click ▶︎ Follow these steps to enter Recovery Mode.


Need more help?

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failing to download version 15.4.1 to my iphone 12 pro

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