Wait a few seconds (or minutes) for the update to appear and then hit Install Now for iOS 17 (or Install Tonight if you want to install iOS 17 later). Open your iPhone and go to Settings > General > Software Update. Once you've completed all of the preparations, you'll be ready to download and install iOS 17. Confirm that you want to update your iPhone by tapping Download and Update.

Click the Update button on the right-hand side of the screen. Click the iPhone button at the top of the iTunes window. Go to Settings > General > iPhone Storage to delete large files and apps.Ĭheck out these easy tricks for optimizing your iPhone storage to create more free space. Open iTunes on your computer and plug in your iPhone using your Lightning cable (the cable you use to charge your iPhone). The iOS 17 file size will be several gigabytes, and if you're running out of storage, you'll need to clear some room before you can download and install iOS 17. You won't be able to download iOS 17 using your mobile data, so connect to a stable Wi-Fi network before starting the installation. Released Friday, iOS 14.4.2 for iPhone and iPadOS 14.4.2 come with a major security fix. And do even more with new experiences for your iPhone. Express yourself like never before when you call or message someone.

A new version of iOS 14 is the second such update in recent weeks that you should definitely not wait to install. iOS 17 brings new features to enhance the things you do every day. Even if you're plugged in, the battery needs to be over 20% to install iOS 17. That's because Apple says there is a security issue that may have been 'actively exploited'. You won't be able to download iOS 17 if you're under 50% battery, so it's safest to plug in your phone while you update.

Make sure your iPhone is connected to power.

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