How to Download and Install iOS 18.1.1 [Step-By-Step]

Apple revealed iOS 18 at WWDC on June 10, 2024. This major update adds many new features and enhances existing ones, making iOS more customized, powerful, and intuitive.

If you don't know how to download and install iOS 18.1.1 on your iPhone, check out this guide below.

What iPhones Can Get iOS 18.1.1?

It's essential to check if your iPhone is compatible with iOS 18.1.1. Below are the specific models that support iOS 18.

• iPhone 16
• iPhone 16 Plus
• iPhone 16 Pro
• iPhone 16 Pro Max
• iPhone 15
• iPhone 15 Plus
• iPhone 15 Pro
• iPhone 15 Pro Max
• iPhone 14
• iPhone 14 Plus
• iPhone 14 Pro
• iPhone 14 Pro Max
• iPhone 13
• iPhone 13 mini
• iPhone 13 Pro
• iPhone 13 Pro Max
• iPhone 12
• iPhone 12 mini
• iPhone 12 Pro
• iPhone 12 Pro Max
• iPhone 11
• iPhone 11 Pro
• iPhone 11 Pro Max
• iPhone XS
• iPhone XS Max
• iPhone XR
• iPhone SE (2nd generation or later)

How to Download and Install iOS 18.1.1

Now that you've verified that your iPhone is on the iOS 18 support list, follow the steps below to download and install it.

Method 1. Update iOS 18.1.1 via Software Update

iOS 18.1.1 is now available to the public. You can easily update your iPhone with Software Update.

Here's how:

1. Tap Settings > General > Software Update.
2. When the system detects the iOS 18.1.1 update, tap Update Now and follow the on-screen download and installation instructions.

Method 2. Update iOS 18.1.1 with BuhoRepair

BuhoRepair is a professional iOS system repair tool. With this handy tool, you can easily update your iPhone to the latest iOS 18.1.1. The best part is that if you are not satisfied with iOS 18.1.1, you can downgrade to iOS 17.7 or other available betas.

Here's how to update your iPhone to iOS 18.1.1 using BuhoRepair.

1. Download, install, and launch BuhoRepair.

   

2. Click "Upgrade/Downgrade iOS" > "Upgrade Version".

   

3. Connect your iPhone to your computer and trust your computer.
4. Click "Upgrade Now".
5. Download the latest firmware for your iPhone and then update your iPhone accordingly.

Method 3. Update iOS 18.1.1 with Finder/iTunes

Another way to update your iPhone is by using iTunes on Windows (or Finder on macOS).

Here we take Finder as an example:

1. Connect your iPhone to your Mac via a USB cable.
2. Open Finder, then click the iPhone icon in the Finder sidebar. (See what to do if your iPhone doesn't show up in Finder.)
3. Click the "Update" button.
4. When prompted, click the "Update" button to confirm your action.
5. Wait for the update process to complete.

Conclusion

This guide provides detailed steps to download and install iOS 18.1.1 on your iPhone. Choose your preferred method and try out all the new features of iOS 18.1.1.

It's worth noting that OS 18 is currently unstable and may have unexpected problems. Make sure to back up your iPhone before updating. If you're tired of buggy iOS 18.1.1, consider downgrading it to iOS 18.1 with BuhoRepair.