Keeping up with the latest iOS updates can be both exciting and challenging. While Apple regularly introduces new features and enhancements with each iOS iteration, some users have trouble getting used to the changes in certain features and get upset about the new system after updating iOS. On account of different reasons, many users may want to downgrade to previous iOS for use. How to downgrade iOS 27 to 26? Here you'll find the answer. Check this guide now.

• Part 1. What Should You Prepare Before Downgrading iOS?
• Part 2. Best Method to Downgrade iOS 27 to iOS 26 [Safe & Quick]
• Part 3. How to Downgrade from iOS 27 to iOS 26 with Signed IPSW
• Part 4. How to Downgrade iOS 27 to Previous iOS with Unsigned IPSW
  • Option 1. Downgrade iOS 27 Using 3uTools
  • Option 2. Downgrade iOS 27 Using TinyUmbrella
• Part 5. How to Restore iPhone Data After iOS 27 Downgrade
• Part 6. FAQs about Downgrading iOS on iPhone
• Part 7. Conclusion

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Part 1. What Should You Prepare Before Downgrading iOS?

When it comes to downgrading iOS 27, there are several options for you to choose from. However, users should be aware that attempting to downgrade iOS version will remove all the data and settings on the iPhone. To keep those important contents and data, it is crucial to back up your iPhone before we go on further. Also, you need to turn off Find My iPhone to avoid Activation Lock. Here is how to make a backup for iPhone and disable Find My iPhone.

Step 1 Turn Off Find My iPhone

To turn off Find My on your iPhone, you need your Apple ID password. Then you can directly disable Find My iPhone in the Settings app. If you don't have the Find My iPhone enabled, you can directly skip this step, then go to make a backup of your device using Finder, iTunes, or Apple Devices on your computer.

1) On your iPhone, head to Settings > your Apple ID name > Find My.

2) Tap Find My iPhone, then toggle off the switch to disable Find My iPhone.

Step 2 Back up iPhone via iTunes or iCloud

Whether you have a Windows PC or a Mac, you can connect your iPhone to your computer and use Finder, iTunes, or Apple Devices to have a backup of your device. If you don't have a computer, you can back up your iPhone by using iCloud. Here is how to make a backup of iPhone via iTunes or iCloud.

Option 1. Back up iPhone via iTunes

1) Connect your iPhone to a Windows PC through a USB cable, then open iTunes.

2) In the iTunes app, click the iPhone button near the top left of the window.

3) Click Summary, then click Back Up Now below Backups.

4) When the backup process ends, check if the backup finished successfully.

Option 2. Back up iPhone via iCloud

1) Open Settings on your iPhone, tap your Apple ID name, then select iCloud.

2) On the Backup screen, turn on iCloud Backup.

3) To perform a manual backup, tap Backup Up Now.

Step 3 Choose an iOS Downgrade Tool

If you have upgraded your iPhone to the latest version of iOS, you need to use an iOS downgrade tool to help you downgrade to previous iOS. Basically, there are some iOS downgrade software to assist you. Here we recommend several iOS downgrade tools to help you downgrade iOS, but MagFone iOS System Recovery is a better choice.

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Part 2. Best Method to Downgrade iOS 27 to iOS 26 [Safe & Quick]

No need for complex steps and tough methods, MagFone iOS System Recovery can help users to downgrade iOS effortlessly. It can provide you with the easiest way to upgrade and downgrade iOS no matter what type your device is, be it iPhone, iPad, or iPod touch. If you want to downgrade iOS 27 to iOS 26 or remove iOS beta, MagFone iOS System Recovery is ideal.

Besides downgrading iOS or removing iOS Beta, MagFone iOS System Recovery can solve various iOS system issues in two modes. For any issue related to iOS and iPadOS, MagFone software can respond at a quick speed and have satisfying outcomes. Also, you can use this tool to get your iPhone into recovery mode and reset your device with one click.

Step-by-Step Guide: How to Downgrade from iOS 27 to iOS 26

After making a backup of your iPhone, you can downgrade your device to a previous iOS version with MagFone iOS System Recovery. First, download and install MagFone iOS System Recovery to your computer. Below is the specific for downgrading iOS.

Step 1 Connect Your iPhone to a Computer

Since you have backed up your iPhone with the previous steps, now you can run MagFone iOS System Recovery on your computer. Then connect your iPhone to the computer with a USB cable. On the interface of the software, select Upgrade/Downgrade iOS.

Step 2 Download the Firmware Package

Proceed to select Downgrade iOS, then MagFone software will represent the device information on the screen after detecting your device. Check the device information carefully and click the Download button to download the firmware package for downgrading iOS.

Step 3 Start to Downgrade iOS 27 to iOS 26

After downloading the firmware package, click the Start Downgrade button to start the downgrading process. Keep your device connected to the computer during the whole process. When you see a successful promotion, it means that your device has been downgraded.

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Part 3. How to Downgrade from iOS 27 to iOS 26 with Signed IPSW

If you don't want to use any third-party tool, you can downgrade to previous iOS through iTunes, Apple Devices, or Finder. Apple allows users to downgrade the iOS version for up to 2 weeks, but this method doesn't work for downgrading from iOS 27 anymore as Apple stopped signing iOS 18.6.2. Here you can download the previous firmware package from IPSW, then use iTunes, Apple Devices, or Finder to return your iPhone to the previous version. Here's how to.

Step 1 Download IPSW for iPhone

Navigate to the website of IPSW, click iPhone, and select your iPhone model. Then choose the signed iOS 26 and click the Download button to save the firmware package to your computer.

Step 2 Put iPhone into Recovery Mode

Go to use a USB cable to connect your iPhone to the computer and place your device into recovery mode by pressing the corresponding buttons.

• Press and quickly release the Volume Up button.
• Do the same with the Volume Down button.
• Press and hold the Power button until the recovery mode screen shows.

Step 3 Choose to Downgrade iOS Version

When your iPhone is in recovery mode, you can use iTunes, Apple Devices, or Finder to install the signed IPSW to downgrade your device.

• Using iTunes: Run iTunes, hold the Shift key on your keyboard, and click Restore iPhone.
• Using Finder: Open Finder, hold the Option or Alt key on your keyboard, and click Restore iPhone.
• Using Apple Devices: Fire up Apple Devices, hold the Shift key on your keyboard, and click Restore iPhone.

Step 4 Start to Downgrade iOS 27 to iOS 26

On the pop-up window, select the firmware package you have downloaded and click the Open button. Proceed to click the Restore button. Wait patiently until the whole process is completed.

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Part 4. How to Downgrade iOS 27 to Previous iOS with Unsigned IPSW

Using iTunes, Apple Devices, or Finder, you can only downgrade iOS 27 to a signed iOS version. But if you want to downgrade iOS 27 to previous iOS versions that are unsigned, you can also consider using other free iOS downgrade tools such as TinyUmbrella and 3uTools. The process of downgrading iOS 27 with 3uTools or TinyUmbrella is a bit difficult, compared to using MagFone iOS System Recovery. Now follow the steps below to downgrade iOS 27 to previous iOS.

Option 1. Downgrade iOS 27 Using 3uTools

3uTools is a comprehensive tool for managing iOS devices. It provides a wide range of features, including flashing firmware, jailbreaking, and managing apps, photos, music, ringtones, and other multimedia files. One of its standout features is the ability to downgrade iOS easily. While 3uTools is comprehensive, MagFone iOS System Recovery may offer unique features like easier interfaces or additional repair options.

Step 1. Launch 3uTools on your computer, then connect your iPhone and computer.

Step 2. After detecting your device, go to 3uTools and click the Smart Flash button.

Step 3. Switch to Select local firmware and click the Import button.

Step 4. Choose an iOS firmware you've downloaded, then click the Flash button.

Option 2. Downgrade iOS 27 Using TinyUmbrella

TinyUmbrella is a small and useful utility for iPhone users to revert the iPhone's firmware to a previous version, but it is only compatible with Windows computers. It is provided under a freeware license on Windows, and you can access this tool on a third-party website. Compared with MagFone iOS System Recovery, the operation is a bit difficult. Users may have trouble following the steps below.

Step 1. Create a folder and name it as Pwnage on your computer.

Step 2. Download TinyUmbrella to the Pwnage folder and install it on the computer.

Step 3. Go to download the IPSW file for the iOS version you want to downgrade.

Step 4. Open TinyUmbrella and connect your iPhone to the computer through a USB cable.

Step 5. From a list of all the SHSH blobs in TinyUmbrella, select the downloaded firmware. If you don't see the list, click on the Save SHSH button.

Step 6. Next, click the Start TSS Server button to start the server and open iTunes.

Step 7. Put your iPhone into DFU mode, then press the Shift button on your keyboard and click Restore in iTunes at the same time.

Step 8. Find the Pwnage folder and click the IPSW file to open. Now you can wait for iTunes to downgrade your device.

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Part 5. How to Restore iPhone Data After iOS 27 Downgrade

The iOS 27 downgrade will wipe user data, apps, and system settings on the device. If you have backed up your iPhone before upgrading to iOS 27, you can choose to restore your iPhone from iCloud or iTunes backup after the downgrading is completed. You can then follow the steps below to restore your iPhone.

Restore from iTunes Backup of iOS 26

Step 1. Turn on your iPhone and follow the onscreen instruction to set up your device.

Step 2. When reaching the Transfer Your Apps & Data screen, tap Restore from iCloud Backup.

Step 3. Enter your Apple ID and password to sign in to iCloud, then choose a backup.

Step 4. Keep your device connected to WiFi and wait for a progress bar to finish loading.

Restore from iCloud Backup of iOS 26

Step 1. Open iTunes or Finder on your computer, then connect your iPhone to the computer.

Step 2. Select your iPhone in the Finder or iTunes and click the Restore Backup button.

Step 3. Pick the most relevant date of your backup and click the Restore button.

Step 4. Stay your device connected to the computer and wait for the restore process to be finished.

Restore from iOS 27 Backup

However, if you didn't make an iOS 26 backup before updating to iOS 27, you can attempt this technical workaround to trick your computer into reading your recent iOS 27 local backup.

Step 1. Locate your local backup folder on your computer.

• For Mac: Open Finder, press Command + Shift + G on your keyboard, and then enter the folder path: ~/Library/Application Support/MobileSync/Backup.
• For Windows: Open Folder Explorer and enter the folder path: %appdata%\Apple Computer\MobileSync\Backup\.

Step 2. Open the folder corresponding to your latest backup and locate a file named Info.plist.

Step 3. Open this file using a text editor like Notepad on a Windows PC or TextEdit on a Mac.

Step 4. Search for Product Version in the file.

Step 5. Beneath that line, change the string value from 27.0 to 26.0.

Step 6. Scroll down to find Build Version and replace XXXXXXXXX with 23F77.

Step 7. Save the file, restart iTunes or Finder, and attempt to restore the backup to your freshly downgraded iOS 26 iPhone.

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Part 6. FAQs about Downgrading iOS on iPhone

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Part 7. Conclusion

For users who want to downgrade iOS 27 to iOS 26, hope that the previous content can be of help to you. It is worth mentioning that MagFone iOS System Recovery can assist you to downgrade your iPhone with several simple steps. Being the quickest way to solve how to downgrade iOS 27 to iOS 26, MagFone iOS System Recovery is there for you to have a try.