How to downgrade iOS 11.1.1 to iOS 11.1

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Ngày cập nhật gần nhất: 15/4/2026

In this article, Mytour.vn will guide you through the steps to downgrade iOS 11.1.1 to iOS 11.1 for those who feel that this update is no longer suitable for their devices, especially iPhone 5s and iPhone 6. However, you need to follow the instructions precisely as mentioned below by Mytour.vn to complete the iOS 11.1.1 downgrade quickly and without errors.

Previously, we discussed whether to upgrade to iOS 11.1.1 for iPhone, iPad, or not. Many of you made the right decision not to update this version for your device. However, some accidentally updated to iOS 11.1.1 despite the warnings in the article about whether to upgrade iOS 11.1.1 for the iPhone. To remedy this, downgrading iOS 11.1.1 to iOS 11.1 will help you revert to the previous update.

Guide to downgrade iOS 11.1.1 to iOS 11.1

To downgrade iOS 11.1.1 to iOS 11.1, you need to:

- Download the latest version of iTunes that supports iOS 11.1.1 here: Download iTunes
- Download the iOS 11.1.1 Firmware suitable for your iPhone, iPad here: Download iOS 11.1.1.

- Prepare the official cable to connect your iPhone to the computer.

* How to downgrade iOS 11.1.1 to iOS 11.1

Here are the steps to downgrade iOS 11.1.1 for iPhone and iPad:

Step 1 : Connect your iPhone to the computer and launch the iTunes app that you have downloaded and installed.

Step 2 : On the iTunes tool interface, select the device icon as shown below to perform the iOS 11.1.1 downgrade for iPhone and iPad.

Step 3 : Next, hold down the Shift key + left-click on the Update option.

For MAC devices, hold down the Command key + left-click on Update to proceed with downgrading iOS 11.1.1 to iOS 11.1.

Step 4 : Then, a window will appear asking the user to access the folder containing the iOS 11.1 Firmware file that has been downloaded earlier.

Press Open File to start the iOS 11.1.1 downgrade process with iTunes.

Step 5 : The system will then ask you to confirm downgrading iOS 11.1.1 to iOS 11.1, click Update to confirm this operation.

Step 6 : iTunes will proceed to load data and begin the process of downgrading iOS 11.1.1 for iPhone and iPad.

This process will make your iPhone restart once again. And when the downgrade process is completed, we have successfully downgraded to iOS 11.1.1.

Note: To ensure the stability of the iOS 11.1.1 downgrade process, you need to ensure a stable network connection on your computer and a stable connection to your iPhone.

So we've just explored together the steps to downgrade iOS 11.1.1 for iPhone, iPad to iOS 11.1 or lower versions if there is a suitable and supported iOS firmware version. Believe that you have quickly successfully performed this trick on your device.

https://Mytour.vn/cach-ha-cap-ios-11-1-1-xuong-ios-11-1-21959n.aspx
Furthermore, if you have decided to downgrade iOS 11.1.1 to iOS 11.1, you need to pay more attention to the issues on this update version. Although iOS 11.1 errors are not significant to users, they can be annoying during usage. You can refer to the article summarizing issues on iOS 11.1 to understand and find suitable solutions to address them.

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