How to Downgrade from iOS 17.4 to 17.3 Without Jailbreak: Should You Update to iOS 17.4?

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Ngày cập nhật gần nhất: 15/5/2026

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Step-by-Step Guide to Downgrade from iOS 17.4 to 17.3 Without Issues

What are the reasons for downgrading from iOS 17.4 to 17.3?

Is it possible for users to downgrade from iOS 17.4 to 17.2?

If you've upgraded your iPhone to iOS 17.4 and find it unstable, causing overheating issues, downgrading to iOS 17.3 can help resolve these user experience problems.

After testing all the features of iOS 17.4, downgrading to iOS 17.3 is a recommended step. This will optimize your iPhone's performance, ensuring smoother operation.

Step-by-Step Guide to Downgrade from iOS 17.4 to 17.3 Without Issues

*Note: Downgrading from iOS 17.4 to 17.3 may result in the loss of important data. To ensure safety, users should back up to iCloud before proceeding.

Step 1: Access the download link for ReiBoot here.
- Open recent download history => click on the reiboot.exe file to install the software.

- Check the terms and conditions box => Install.

- Press Start to begin using the software.

Step 2: Select the iOS Upgrade/Downgrade option.

Step 3: Connect your iPhone to the computer, click Downgrade (Data Loss) => then press Downgrade to proceed.

- Choose the Firmware Version 17.3 option => Download.

Step 4: Once the system completes downloading iOS 17.3, click Initiating Downgrade.

- Select the Continue button to proceed.

- The system will immediately begin the process of downgrading from iOS 17.4 to 17.3, as shown in the image below. Ensure your iPhone remains securely connected to your PC throughout this process.

Step 5: You will see a notification labeled Downgrade Completed, as illustrated below. Click Done to finalize the downgrade. Following this, proceed to restore your iCloud data and reconfigure your device settings.

What are the reasons for downgrading from iOS 17.4 to 17.3?

Depending on their usage needs, many users may want to downgrade from iOS 17.4 to 17.3 for reasons such as:

- Stability: Some users might encounter stability issues after updating to iOS 17.4. These issues could include operating system errors, system slowdowns, or excessive battery drain.

- Performance: iPhone/iPad devices may experience reduced performance after upgrading to iOS 17.4, especially older iPhone models.

- App Compatibility: There are instances where apps become incompatible or encounter bugs on iOS 17.4, significantly impacting the user experience.

Is it possible for users to downgrade from iOS 17.4 to 17.2?

Currently, Apple only allows downgrading to iOS 17.3 as the lowest version, making it impossible to revert to 17.2. Additionally, Apple may re-enable signing restrictions at any time. Therefore, it’s advisable to take advantage of this downgrade opportunity to ensure the best experience on your iPhone/iPad.

Above, we’ve provided a complete guide on how to downgrade from iOS 17.4 to 17.3. We hope this shared tip helps you resolve issues encountered after updating to the latest version while allowing you to enjoy the best experience with the older iOS version.

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