[2025 Updated] How to Downgrade iOS 18 To 17 Without Computer?

Part 1：Everything You Need To Know About iOS 18

1.iOS 18 release date: When will iOS 18 arrive?

WWDC, i.e., Apple's World Wide Developer Conference, takes place on June 10, 2024. The first iOS 18 developer is expected to be released shortly afterward. Here are the expected dates.

• Historically, the first iOS public is released four to five weeks after the developer launches in June. Based on this trend, the iOS 18 public may be launched into the market between the end of June and mid-July.
• iOS 18 public release may come between the middle and end of September.
• iOS 18 is expected to launch officially between September 16-23, 2024.

2.iOS 18 compatibility: Which iPhones will get iOS 18?

The iPhone models compatible with iOS 18 are listed as follows.

• iPhone 15 Series
• iPhone 14 Series
• iPhone 13 Series
• iPhone 12 Series
• iPhone SE (3rd generation)
• iPhone 11 Series
• iPhone XR
• iPhone XS Series

The iPhone SE (1st and 2nd generation) and iPhone X and older will not be supported.

3.Rumored Features of iOS 18: Could This Be the Most Significant iOS Update Yet?

The January edition of Mark Gurman's Power On newsletter hints that the new version of iOS is possivily be the "biggest" software update in the iPhone's history. Gurman also expressed in the November edition that iOS 18 will unveil "relatively groundbreaking" updates along with "major new features and designs."

Artificial Intelligence

As Apple has been planning it vigorously, significant updates and additions are expected on the Artificial Intelligence front. Apple is also partnering with OpenAI and Google to introduce cloud-based generative AI features, e.g., creating images, essay writing, photo retouching, voice memo transcription, and summarizing data. We are also expecting features like;

• Auto-generated playlists in Apple Music.
• Improved web search in Safari.
• Auto-generated replies for emails and messages.
• Integration of Gemini AI engine into the iPhone in iOS 18
• Upgraded Neural Engine with more cores for improved machine learning performance.

SIRI

As AI features improve, Siri will also take advantage. The news is that Apple might introduce large-language models (LLMs) to make it the greatest virtual assistant available. LLMs allow the incorporation of loads of data and high-performance algorithms and generate content for creative writing, answering questions, and auto-generated replies for emails and messages.

Design Changes

A popular rumor is that iOS 18 may be redesigned to match VisionOS. We are expecting a more customizable home screen with more control for the user. The user can change the colors of the app icons. The control center is also likely to have a drag-and-drop system.

Part 2：[3 Methods] How to Downgrade from iOS 18 to 17?

After our initial discussion, we'll explore not just one, but three different methods for downgrading from iOS 18 without a computer. This variety of options empowers you to choose the best suitable method. Let's dive in!

Method 1: Downgrade iOS 18 to 17 Without Data Loss [Quick & Safe]

UltFone iOS System Repair is a professional iOS system recovery tool with solutions for resolving 150+ iOS system-related iPhone glitches and issues. With only one click, you can put any Apple device into recovery or out of recovery mode. Also, it can recover the iDevices stuck in recovery mode or Apple logo/reboot loop/black screen.

How do you downgrade iOS 18 to 17 using UltFone iOS System Repair? Let's go through the process step by step.

Why Choose UltFone iOS Downgrade Tool?

• Free to downgrade iOS 18 to iOS 17 without losing data or using Time Machine.
• Fix over 200 different macOS/iPadOS/iOS issues, including iOS 18 stuck in DFU mode, installation errors, and iOS 18 boot loop.
• Repair booting issues and re-install missing drivers for smooth system performance.
• User-friendly interface with step-by-step instructions for easy operation.
• Supports multiple versions of macOS/iPadOS/iOS, including iOS 18, macOS 15, Sonoma, Ventura, and Big Sur.

Here is how to downgrade iOS 18 to 17 using UltFone iOS Downgrade Tool:

• Step 1Launch the UltFone iOS System Repair software on your computer and connect your iPhone to the computer. On the main panel of the software, click "iOS Upgrade/Downgrade" at the bottom left.

• Step 2Select "Downgrading System" mode, regardless of whether you're running a or final version. Click the relevant button.

• Step 3UltFone iOS System Repair can automatically detect your iOS version and show the iOS firmware available for downgrade. Click "Download".

• Step 4Once the firmware package is downloaded to your computer, click the 'Initiating Downgrade' button to downgrade iOS 18 to 17 for free.

• Step 5As the downgrading starts, ensure the phone remains connected to the computer throughout the process. After a few minutes, you have successfully downgraded iOS 18 to iOS 17

Method 2: Downgrading iOS 18 to 17 Using iTunes

You can also attempt iOS 18 downgrade to iOS 17 using iTunes. It is very convenient and quick. So, let us see how to process it.

It is important to note that you can only downgrade the latest signed iOS version using this method.

• Step 1: Download the IPSW file

  Go to the iOS 17 firmware download page and download the IPSW file for your iPhone model. Make sure it's a firmware version signed by Apple.

• Step 2: Turn Off Find My iPhone

  Go to Settings > Your Name > Find My > Find My iPhone, and turn off this setting.


• Step 3: Downgrade
  • 1.Connect your iPhone to your computer and launch iTunes.
  • 2.Click on the iPhone icon in the iTunes toolbar. When asked about trusting the computer, click yes.
  • 3.Press and hold the Shift key on a Windows system or the Option key on a Mac. Click on the "Restore iPhone" link in iTunes window.
  • 4.Select the iOS 17 IPSW file you downloaded in step 1 and click Open.
  • 5.When the prompt asks for confirmation about restoring iOS 17, click yes.

Method 3: How To Downgrade From iOS 18 Without Computer

How do you downgrade from the iOS 18 without a computer? It is a simple method, and you can attempt it whether you are a beginner or tech-savvy. So, let's start.

• Step 1: Settings

  Go to Settings>General on your iPhone. Find “VPN & Device Management” and click on it.






• Step 2: Remove Profile

  Click on the “iOS 18 Software Profile”. Select “Remove Profile” and confirm when prompted.


• Step 3: Restart

  After the restart, you will see that you have successfully resolved the question of “how to delete software update iOS 18 without a computer”.

Part 3：How To Backup Your iPhone Before Downgrading Ios 18 To 17?

In part 2, we discussed how to downgrade iOS 18 to 17. Because of the risk of data loss, it is essential to backup your device's data and settings before attempting any of the methods. Apple devices inherently have robust data backup systems that you need to enable.

Method 1: Secure All Your Data Using iCloud Backup

iCloud is Apple's backup system that allows you to sync your files automatically. You can schedule an automated regular backup on iCloud. The following is a step-by-step guide to manually backing up your iPhone.

• 1.Connect your iPhone to a Wi-Fi network.
• 2.Navigate to Settings > [your ID]>iCloud.
• 3.Click on the iCloud Backup and make sure that it is turned on.
• 4.Click on the "Backup Now" option. The backup process will start. Since it may take some time, you may need to wait and ensure the devices remain connected to the internet.
• 5.Once the process is complete, you can find the backup by going to Settings > [your ID] > iCloud > iCloud Storage > Manage Storage. Select your iPhone and the backup should be listed here.

Method 2: Safeguard All Your Data By Backing Up Through iTunes

Though iTunes is more famous for music and book purchases, it also has some handy features. We have already discussed downgrading iOS 18 to iOS 17 using iTunes. Let us see how you can back up your iPhone data on iTunes.

• Launch the iTunes app on your computer.
• Connect your iPhone to your computer.
• Follow the onscreen steps when prompted for confirmation or passcode.
• Click the Device button on the top left corner of the iTunes window.

• Click Summary.

• Click Backup Now

Part 4: FAQ

Q1. Can I downgrade iOS 18 with 3uTools?

3uTools currently does not support downgrading iOS 18, but it can downgrade the following devices:

• iPhone 3GS without SHSH file backups can be downgraded to iOS 4.1 using 3uTools.
• iPhone 4 with SHSH file backups can be downgraded to any compatible firmware using 3uTools.
• iPhone 4s/5/5s/6/6 Plus/6s/6s Plus, iPad 2/3/4, iPad Pro, iPad Air 1/2, iPod Touch 5/6, and iPad mini 1/2/3/4 can be downgraded from iOS 9.3 to iOS 9.2.1 using 3uTools.

Q2. How do you remove iOS without a computer?

How can I downgrade iOS 18 to 17 without a computer? You can remove iOS from your iPhone by removing the profile. The detailed guide is given in part 2 above.

Q3. Why won't my phone update to iOS 18?

Your iPhone might not update to the iOS for several reasons, including:

• The iOS version is not compatible with your iPhone model.
• Your iPhone needs more space.
• Restricted Wi-Fi network.