Learn how to update your iOS device wirelessly or using iTunes. iOS updates introduce new features that let you do even more with your iPhone, iPad, or iPod touch. Be sure to keep your devices updated so that you don't miss out on the latest features.
Before you begin
Make a backup of your device using iCloud or iTunes.
Update your device wirelessly
If a message says that an update is available, tap Install Now. You can also follow these steps:
If you need more space for a wireless update, you can update using iTunes or delete content manually from your device. Whether you use iTunes or update wirelessly, you'll have the same amount of free space on your device after you update.
Some iOS software updates aren't available wirelessly. VPN or proxy connections might prevent your device from contacting the iOS update servers.
Update your device using iTunes
If you can’t update wirelessly, you can update with iTunes. If your computer uses the Personal Hotspot on the iOS device that you’re updating, connect your computer to a different network.
Install the latest version of iTunes on your computer.
Connect your device to your computer.
Open iTunes and select your device.
Click Summary, then click Check for Update.
Click Download and Update.