iOS • June 15, 2026

How to Downgrade iOS 18 to iOS 17

Learn how to safely downgrade your iPhone from iOS 18 to iOS 17 using IPSW files. A step-by-step tutorial.

5 min read100% FreeApple DevicesExpert verified

Abhishek Roy

iOS & Apple Beta Specialists

Last updated Jun 15, 2026

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Quick Answer

TL;DR: Learn how to safely downgrade your iPhone from iOS 18 to iOS 17 using IPSW files. A step-by-step tutorial.

If you are experiencing bugs or battery drain on iOS 18, you may want to downgrade back to a stable version of iOS 17. Apple only allows downgrades to firmware versions that are currently "signed." Follow this guide to successfully restore your iPhone.

Step-by-Step Instructions

1. Check Signing Status

Visit the IPSWDownload device page for your iPhone model and ensure the iOS 17 version you want to install is marked as "Signed" (indicated by a green checkmark).

2. Download the IPSW File

Download the correct iOS 17 IPSW file for your specific iPhone model to your Mac or PC.

3. Backup Your Device

Before proceeding, back up your iPhone to iCloud or your computer. Note that iOS 18 backups cannot be restored to a device running iOS 17.

4. Connect and Enter Recovery Mode

Connect your iPhone to your computer using a USB cable. Open Finder (Mac) or iTunes (Windows). Follow the specific button combination for your iPhone model to enter Recovery Mode.

5. Restore Using the IPSW

In Finder or iTunes, hold the Option key (Mac) or Shift key (Windows) and click the "Restore iPhone..." button. Select the IPSW file you downloaded in step 2. Wait for the process to complete.

Frequently Asked Questions

Will I lose my data downgrading from iOS 18 to iOS 17?

Yes. Downgrading requires a full erase of the device. Backups made on iOS 18 cannot be restored to iOS 17. You will only get back data synced to iCloud (like Photos and Contacts).

Can I downgrade if iOS 17 is no longer signed?

No. Finder and iTunes verify the firmware signature with Apple. Once Apple stops signing iOS 17, the downgrade path is permanently closed.

Why is iTunes giving me Error 3194?

This means Apple is no longer signing the IPSW file, or your computer's host file is blocking communication with Apple's servers.

Abhishek Roy

Expert in iOS firmwares, jailbreaking, and device troubleshooting. Delivering the best guides for Apple users.

View All Guides

iOS • June 15, 2026

How to Downgrade iOS 18 to iOS 17

Learn how to safely downgrade your iPhone from iOS 18 to iOS 17 using IPSW files. A step-by-step tutorial.

5 min read100% FreeApple DevicesExpert verified

Abhishek Roy

iOS & Apple Beta Specialists

Last updated Jun 15, 2026

Add on Google

Quick Answer

TL;DR: Learn how to safely downgrade your iPhone from iOS 18 to iOS 17 using IPSW files. A step-by-step tutorial.

Step-by-Step Instructions

1. Check Signing Status

Visit the IPSWDownload device page for your iPhone model and ensure the iOS 17 version you want to install is marked as "Signed" (indicated by a green checkmark).

2. Download the IPSW File

Download the correct iOS 17 IPSW file for your specific iPhone model to your Mac or PC.

3. Backup Your Device

Before proceeding, back up your iPhone to iCloud or your computer. Note that iOS 18 backups cannot be restored to a device running iOS 17.

4. Connect and Enter Recovery Mode

Connect your iPhone to your computer using a USB cable. Open Finder (Mac) or iTunes (Windows). Follow the specific button combination for your iPhone model to enter Recovery Mode.

5. Restore Using the IPSW

In Finder or iTunes, hold the Option key (Mac) or Shift key (Windows) and click the "Restore iPhone..." button. Select the IPSW file you downloaded in step 2. Wait for the process to complete.

Frequently Asked Questions

Will I lose my data downgrading from iOS 18 to iOS 17?

Yes. Downgrading requires a full erase of the device. Backups made on iOS 18 cannot be restored to iOS 17. You will only get back data synced to iCloud (like Photos and Contacts).

Can I downgrade if iOS 17 is no longer signed?

No. Finder and iTunes verify the firmware signature with Apple. Once Apple stops signing iOS 17, the downgrade path is permanently closed.

Why is iTunes giving me Error 3194?

This means Apple is no longer signing the IPSW file, or your computer's host file is blocking communication with Apple's servers.

Abhishek Roy

Expert in iOS firmwares, jailbreaking, and device troubleshooting. Delivering the best guides for Apple users.

View All Guides