Some Files Were Unavailable Error: Please see this article.If the update takes too long: It is possible that Apple’s update servers are down.A software update is required to connect to your iPhone (or iPad): Please see this article.Unable to Install Update: Please see this article.The other option is that you can use iTunes to update your device. You may want to remove your old iCloud backups. You may want to the remove apps, videos or other content to free up space. You can check the storage by going to Settings > General > Storage. Not Enough Space Available: If you are getting this error message, you have two options: The first one is to try to clear space on your iPhone or iPad.If there is an update available, you will be asked to download and install it.Click the Summary button in the left pane.Connect your iOS device to your computer using the USB cable.Go to Settings > General > Software Update.On your device, connect to a Wi-Fi network.

( what is iTunes backup password?)ī-Install the Latest Version of iOS Wirelessly If you do not want this, just click Backup Now. Select the “Encrypt iPhone/iPad Backup” option if you want to back up your Health and Activity data.Follow onscreen instructions (you may need to enter your passcode etc).Connect your device to your computer using your USB cable.Open iTunes on your computer (Mac or Windows PC).On your device, connect to Wi-Fi (Settings > Wi-Fi).You should do this because it is possible that you may lose your data in the updating process. The first thing you should do is to back up your iPhone or iPad before upgrading. This article includes three parts: (a) creating a backup (b) updating your device wirelessly (c) updating your device using iTunes. This article explains how you can check and update your iOS version. New iOS updates may offer new features, services and bug fixes. You should periodically update your iPhone or iPad to the latest version of iOS to get the most out of your device. Apple releases iOS updates periodically for your device.

Instal the new version for ios