How to Fix Error 4000 iPhone Could Not Be Updated on iOS 15
iPhone is one of the most popular brands of mobile devices that are developed and distributed by Apple. It is famous for its lightweight and secure iOS. Apple has always been the champion for providing updates to its handsets even when they are 3 or 4 generations old. However, quite recently, a lot of reports have been coming in where users are experiencing the “The iPhone Could not be Updated. An Unknown Error Occurred (4000)” while trying to download software updates on their mobiles.
After receiving numerous reports from multiple users, we decided to investigate the issue and devised a set of solutions to fix it completely. Also, we looked into the reasons due to which it is triggered and listed them as follows.
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