How to: Update your iPhone to the latest version of iOS


Introduction

TIP: A short URL (askit.ttu.edu/iosupdate) is in place which redirects to this content.

Instructions

  1. Open the Settings app.

    iPhone home screen with the "Settings" app icon selected

  2. Tap General.

    iPhone Settings menu with the "General" option selected

  3. Tap Software Update.

    iPhone General settings screen with the "Software Update" option selected

  4. Any available updates will appear on your screen.

    If you see a message stating that your software is up to date, be sure to look at the bottom of your screen to see all available updates.

    Major updates may appear at the bottom, requiring you to tap there to see the update.

    Software Update screen showing iOS 26.7 available and "Upgrade to iOS 27" selected

  5. Tap Update Now to begin the update process.

    Software Update screen showing iOS 27 available with the "Update Now" button selected

    TIP: If you get the message, "This update requires a Wi‑Fi network connection to download," you will need to connect to a Wi‑Fi network before proceeding.

  6. Type your passcode when prompted.

    NOTE: If you have an alphanumeric passcode, you will need to type it and then tap Done in the top right-hand corner.

    "Enter your passcode" prompt

  7. If prompted about terms and conditions, review the information presented. If you agree to the terms, tap Agree. Then, tap Agree again.

    Terms and Conditions screen with the "Agree" button selected at the bottom

    Terms and Conditions screen with a confirmation pop-up. The "Agree" button is selected.

  8. Please wait while the update is downloaded.

    Software Update screen showing iOS 27 being downloaded. A progress bar shows an approximation of the status.

  9. Tap Install Now.

    Software Update screen showing iOS 27 ready to install. Option buttons are "Install Now" and "Later". The "Install Now" button is selected.

  10. Please wait while the update is verified and installed. Your iPhone will restart automatically.

    Software Update screen showing the "Verifying update…" message

Outcome

Your iPhone is updated to the latest version of iOS.

You can confirm that the update was successful by checking your iOS version.