There are many users who are unable to install iOS 15 on their iPhone or iPad. After downloading the latest Apple OS and selecting the “Install Now” options, they are getting an error message that says “Unable to Upgrade. An error occurred installing iOS 15 on your iPhone or iPad. Retry/Remind Me Later.” In order to solve this issue, follow this guide to fix “An error occurred installing iOS 15” issues on your iPhone.
There might be a lot of reasons for getting this error message on your iPhone or iPad that states “Unable to install iOS 15 Update and An Error Occurred Installing iOS 15.” The problem is that we do not know for sure what causes this error, but we do know various methods to get rid of this bug. Here are the various methods to fix this error and upgrade to the latest iOS 15 version.
The first method is to remove or delete the iOS 15 update completely from your iPhone or iPad and then re-download the new iOS update again. Follow the steps given below.
It was confirmed that the download size of iOS 15 was huge, around 5GB to 6GB depending on your iPhone and iPad model. So it is best to have this much free space on your iPhone and iPad to install the latest version of the Apple operating system. Here’s how to check for free storage space.
It might be possible that due to bad network settings you are getting this error ‘Unable to install update and error occurred while installing iOS 15.’ So, try to reset the network settings by following the procedure given below.
That is all you need to know about how to fix “Unable to Upgrade. An error occurred installing iOS 15” issues on your iPhone or iPad. In the meantime, do not forget to check out other guides on how to fix iOS 15 battery draining issues, and how to drag and drop photos, files, and text between apps in iOS 15, etc.
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