Have a little patience, wait 15 minutes, or even a few hours, then try again. Thus sometimes simply waiting a while can resolve the error message. Sometimes the error occurs because there’s a problem with the connection or somewhere along the route, or even on the server end at Apple. Make sure the iPhone or iPad is connected to a wi-fi router and is actively online.Īn easy way to test this is to open Safari and visit a website, like or.

Backing up is essential so that if something goes awry during the update process, you can restore and not lose your data. Backup Firstīefore doing anything else, make sure you backup the iPhone or iPad, whether to iCloud, to Finder, or to iTunes. But first let’s see if some of the other tricks can resolve the Unable to Install Update error for you. It’s typically only experienced when attempting iOS and iPadOS update as through OTA via the Settings app, and in fact one of the troubleshooting approaches uses a computer to install the update instead. An Error Occurred” failure and error can happen with basically any iOS or iPadOS version so it’s not limited to any particular release.