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.
What Causes the “Update Error 4000” on iPhone?
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.
- Installed Updates: In most cases, this issue is triggered when the iPhone is already updated with the latest version of the software available to iTunes.This means that your iPhone doesn’t require a new update and can be used after restarting normally.
- Locked Device: It is possible that the device that you are trying to update locked with a passcode while the installation process for the software started. iPhone needs to be unlocked in order to be updated by iTunes, if it isn’t locked, this error might be triggered.
- Outdated iTunes: In some cases, it is possible that the error is being triggered due to the iTunes application being outdated. In most cases, the application is updated automatically but it can sometimes fail.
Now that you have a basic understanding of the nature of the problem, we will move on towards the solutions. Make sure to implement these in the specific order in which they are presented to avoid conflicts.
Solution 1: Downloading Updates Directly
If the error is being triggered while downloading the updates from iTunes, you can try to download them directly on the mobile. For that:
- Navigate to “Settings” and click on “General“.
- Click on the “Software Updates” option.
- iPhone will check if there is a new update available for your mobile, click on the “Download and Install Now” button if an update is available.
Solution 2: Updating iTunes
In some cases, the error is triggered if iTunes is outdated. Therefore, it is recommended to update your iTunes application to the latest version. For that:
- Open iTunes and click on the “Help” option in the top right corner.
- Select “Check for Updates” from the list.
- iTunes will now automatically check and download updates.
- Try to update your phone and check to see if the issue persists.