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How to Update Your iPhone to the Latest iOS Version

The Apple logo on the iPad and iPhone OS update screen.

It’s a good idea to keep your iPhone’s software (iOS) up to date. Updates are available for free from Apple. They apply the latest security and bug fixes and features to your iPhone. Here’s how to update your iPhone to the latest version of iOS.

Back Up Before You Update

While problems during the installation process are rare, it’s possible that something could go wrong, and cause you to lose your data.

So, before you install an iOS update on a mission-critical iPhone (or one with irreplaceable data), make it a habit to perform a backup first.

Update iOS via the Settings App

These days, most people update their iPhone directly on the device without connecting it to a computer. This is called a wireless installation, and here’s how you do it.

First, launch the “Settings” app (the gear icon). By default, it’s on the first page of the Home screen. Use Apple’s Spotlight Search if you need help locating it.

Tap the gear icon to open the "Settings" app.

In the Settings menu, tap “General.”

Tap "General."

Next, tap “Software Update.”

Tap "Software Update."

You see information about the latest update, including the version number and details about what the update will improve.

If your iPhone hasn’t already downloaded the update, tap “Download and Install” and type your passcode if it’s requested.

Tap "Download and Install."

When the update is finished downloading, a message might pop up asking whether you want to install the update now or later; tap “Install Now.”

After the install process begins, you see a message that says “Verifying Update”; wait for it to finish. After verification is complete, your iPhone’s screen goes black and it will restart.

You then see the Apple logo and a small progress bar in the center of the screen.

The Apple logo and update progress bar in iOS.

When installation is complete, you can unlock and use your iPhone again as usual.

Update iOS in Finder or iTunes

You can also update your iPhone via a wired connection with your Mac or Windows PC. On a Mac running macOS 10.15 or later, open Finder. On a Windows PC or Mac running macOS 10.14 or earlier, open iTunes.

Connect your iPhone to your computer with a Lightning-to-USB cable. If it’s the first time you’ve connected your iPhone to the computer, tap “Trust” in the message that appears asking if you want iPhone to trust the computer.

Locate your iPhone on your computer. In Finder, you see it on the left under “Locations”; click it.

Click your iPhone under ""Locations."

In iTunes, look for the small iPhone icon in the toolbar near the top; click it.

Click the iPhone icon in iTunes.

In the window that appears with information on your iPhone, navigate to General (in Finder) or Settings > Summary (in iTunes). Click “Check for Update.”

Click "Check for Update."

If an update is available, click “Download,” and after it does, click “Update.” Type your passcode if asked. The update installs, and then you’re ready to go.

Double Check That Your iPhone’s Up to Date

After your handset is done updating, you can check to make sure you have all the most current updates installed.

On your iPhone, navigate to Settings > General > Software Update. If your device is fully updated, you see a screen similar to the one below letting you know your software is up to date.

The iOS software is up to date message.

You’re iPhone is now updated and ready to go! Now it’s time to make sure that your iPad is up-to-date.

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