Mobile Phones iPhone & iOS How To Download and Install New iOS Updates Get your iPhone, iPad, and iPod Touch up to date Share Pin Email Print picjumbo iPhone & iOS Switching from Android By Sam Costello Writer Sam Costello has been writing about tech since 2000. His writing has appeared in publications such as CNN.com, PC World, InfoWord, and many others. our editorial process Facebook Twitter Sam Costello Updated October 22, 2019 When Apple releases a new update to iOS — the operating system that runs the iPhone, iPod Touch, and iPad — install it. Upgrades to iOS deliver bug fixes, interface changes, and new features. Upgrade to the latest version of the iOS in two ways: through iTunes or directly on the iPhone. To update on the iPhone, find out how to update iOS wirelessly on the iPhone. Here's how to perform the update using iTunes on macOS and Windows computers. Instructions in this article apply to iTunes 11 and later. How to Update iOS Using iTunes Using iTunes to update your iPhone or iPad is a good option if your iOS device is low on space. Follow these steps to keep your device up to date even if it's full. Connect the iOS device to the computer you sync it with, then open iTunes. Select the icon for the device to open the device management screen. Select Sync to sync the device with the computer. Or, select Back Up Now to create a backup of the data on the phone. It's good to have a backup in case anything goes wrong with the upgrade. Use Sync to back up the iPhone and update it with any changes from your iTunes library. Use Back Up Now to make a copy of your contacts, photos, and settings. When the sync is complete, the iPhone management screen shows the version of iOS on the device and information about a newer version if one is available. Select Update to begin the process. Select Download Only to download the software for a later update or select Download and Install to update now. Read the information about new features, fixes, and changes the new version of the iOS offers, then select Next. Select Agree to acknowledge the user agreement. The update downloads and automatically installs on your device. If prompted, follow the instructions. When the installation is complete, the device will automatically restart. A warning appears if there isn't enough free storage space on the device to install the update. Update the iPhone to solve the problem. Finish the Upgrade on the iPhone To complete an iOS update, accept the licensing terms, review information about the update's new features, and configure new settings. Follow the onscreen prompts, and in a few taps, you'll be using your newly upgraded device.