How to download iOS 18 developer beta 3 on iPhone

How to download iOS 18 developer beta 3 on iPhone

At WWDC 2024, Apple introduced the world to the latest iPhone operating system update, iOS 18. The update finally introduces Home Screen customization and brings a new AI system (called Apple Intelligence), iPhone Screen Mirroring, RCS messaging, a new dynamic color-changing option for wallpapers, minor changes in the Photos app, a change to the Maps app icon, and several new features.

While most users must wait till the fall to experience these new features, Apple has seeded the iOS 18 developer beta for developers to test their apps. If you can’t wait that long, here’s a quick guide demonstrating how to download iOS 18 developer beta on your iPhone.

Before you begin, please note:

  • Check Compatibility: Make sure your iPhone is compatible with iOS 18.
  • Beta updates are known for carrying bugs that can sometimes wreak havoc in your iPhone’s system. As such, we recommend you back up your iPhone to iCloud or a computer via Finder or iTunes to eliminate the risk of losing important data.
  • While you can download the iOS 18 beta update using your iPhone’s cellular network, it’s recommended that you use a Wi-Fi network to avoid interruption.
  • On the iPad side of things, these are the devices that are compatible with the latest iPadOS 18 update:
    • iPad Pro (M4)
    • iPad Pro 12.9-inch (3rd generation and later)
    • iPad Pro 11-inch (1st generation and later)
    • iPad Air (M2)
    • iPad Air (3rd generation and later)
    • iPad (7th generation and later)
    • iPad mini (5th generation and later)

How to install iOS 18 developer beta 3 on iPhone

Earlier, you needed to enroll in Apple’s developer program and pay a $99 per year fee to get developer beta updates. However, starting with iOS 17 and iPadOS 17, you can access developer beta updates on your iPhone or iPad just by enrolling your Apple ID in the Apple Beta Software Program. Let’s see how to install iOS 18 developer beta on an iPhone. You can follow the same steps for installing iPadOS 18 developer beta on your iPad.

If you’re installing a developer beta update on your iPhone for the first time, here are the steps you need to follow:

  1. Go to and sign up using the same Apple ID you use on your iPhone and enroll your device.
  2. Once signed in, agree to the Terms & Conditions.
  3. Tap on Beta Updates.
  4. The Settings app’s Software Update Window will appear with iOS 18 Developer Beta.
  5. Hit Download & Install.

Here’s what the process looks like if you’ve installed beta updates previously on your iPhone:

  1. Open the Settings app on your iPhone.
  2. Go to General → Software Updates.
  3. Next, tap on Beta Updates and select iOS 18 Developer Beta on the subsequent menu.
    Download iOS 18 developer beta on iPhone
  4. Hit the Back button in the top-left corner.
  5. Wait for the iPhone to check for the beta update and hit the Download and Install button as soon as it appears.
    Update iOS 18 developer beta 3 on iPhone

Your iPhone will begin downloading and installing the latest update. It may restart a couple of times during this period. Wait for the installation to complete, and you should have iOS 18 developer beta running on your iPhone.

    As per my testing, the iOS 18 developer beta 3 is around 1.07 GB in size, and installing it took around 5-10 minutes of my time. However, yours may vary depending on your internet connection.

Video: Download and install iOS 18 developer Beta

Signing off…

That’s all you need to know about installing iOS 18 developer beta 3 on an iPhone. Remember, developer beta updates may contain a few bugs that wreak havoc on your iPhone, so we advise you to wait at least till the first public beta update is released unless the developer beta is extremely necessary to you.

Which iOS 18 feature are you most excited about? Let us know in the comments below.

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