[3utools Downgrade iOS] How to Downgrade Unsigned iOS Using 3uTools?


Apr 18, 2021 (Updated: Aug 16, 2023) • Filed to: Downgrade iOS

48K views, 5 min read


If you're looking to downgrade iOS running on your iPhone/iPad, you're not alone. Many iPhone users have encountered unexpected errors and glitches after updating their iOS version or unstable iOS beta. To get out of this predicament, downgrading iOS is the most direct way. And that's when many people find it - 3uTools.

This complete guide will tell you everything about 3uTools and how to downgrade iOS using 3uTools, in addition to better downgrade methods that can replace 3uTools! Without further delay, let's cut to the chase!

Part 1: What is 3uTools?

In layman terms, 3uTools is an all-in-one software designed to help users manage iOS device data on the computer.

3uTools interface

3uTools can perform a range of tasks like managing files, jailbreaking iOS devices, and downgrading iOS. Additionally, this powerful tool is equipped with data backup and apps download features. In short, the developers of 3uTools claim that users can fall back on this tool for every management task you need to do with your iOS device.


Although this software work with Apple products, it is only compatible with Windows PCs, not Mac operating systems.

3uTools is only compatible with a limited range of iPhones and iOS versions. But it doesn't provide clear instructions about which particular devices it supports.

What Can 3uTools Do?

As mentioned earlier, 3uTools is a multi-featured software that allows users to complete a range of functions pertaining to their iPhones or iPads. Some most sought-after features include:

1. Manage Files

3uTools has made it easier than ever to manage your dataon iOS devices. It offers a one-stop solution to manage apps, music, photos, videos, ringtones, music, and other multimedia files. You can see the storage space each category has taken.

What's more, it lets you delete unwanted files or add new ones, and rename, move, and create folders with just a few clicks.

2. Backup and Restore

Even though Apple has its own backup and restore feature in the form of iCloud, it isn’t much efficient when it comes to storage capacity and ease of use. Thanks to 3uTools, you can backup unlimited data and restore either selected files or whole backup afterward.

The limitations of this backup feature is that some data, including Health reports, iCoud photos, iTunes media, etc. cannot be backed up.

3. Jailbreaking iOS Devices

Jailbreaking an iPhone is always a tough task since Apple has strict security protocols in place. But 3uTools allows users to jailbreak iOS devices without going through any technical hassle.

However, you need to make sure that your iPhone model and iOS running on it are compatible with this feature of 3uTools.

4. 3uTools Downgrade

Probably the most distinct feature of 3uTools is its ability to upgrade or downgrade your iOS device to your desired version.

With this software, you can choose either the "Easy Flash" option or Pro Flash to change the iOS version running on your device.

Part 2: How to Downgrade Unsigned iOS Using 3uTools?

Below is a step-by-step guide on how to downgrade unsigned iOS using 3uTools:

Step 1: Start by downloading 3uTools and installing it on your Windows PC or laptop. Launch it and connect your iPhone via an original lightning cable.

Step 2: From the top bar, select Flash & JB > Easy Flash. Here, the program will automatically show the matching firmware running on your device anddisplay the available firmware for your device.

iOS 12

Step 3: Now, choose the firmware you want to downgrade to and click Flash. 3uTools will take some to time to download the file and downgrade your iPhone to it.

successful flash


- The process may result in data loss. So, backup your device to avoid the risk of losing data using 3uTools customized backup option.

- Don't use your computer or iOS device during the downgrading process, as it may cause the iOS device to become a bricked iPhone.

Part 3: How to Downgrade iOS without Data Loss?

Now you have already know how to downgrade iOS using 3uTools. Well, in fact you do have a better alternative to 3uTools if you want to avoid losing data after downgrading iOS, and that is WooTechy iMaster.

As the most popular iOS downgrade tool in recent years, it can 1-click to quickly downgrade iPhone to any supported iOS version without any data loss, which make the process of iOS downgrade super convenient. It supports almost all iPhone models, similarly, it's compatible with almost all iPad models.

How to Downgrade iOS without Data Loss via WooTechy iMaster?

Step 1: Download and install WooTechy iMaster on your computer. Launch it and connect your iOS device with USB cable. Click Downgrade iOS.

downgrade iOS

Step 2: Select the firmware version you want to downgrade to, click Next to download it.

download iOS firmware

Step 3: Once the firmware is downloaded and verified, click Start to begin the downgrade process.

downgrade iOS

Step 4: When the downgrade is complete, click Done. Now your device has been downgraded successfully.

Downgraded successfully

[Video Tutorial] How to Downgrade iOS without Data Loss?

YouTube Video

Part 4: FAQs about 3uTools Downgrade iOS

Q1. How to update iPhone with 3uTools?

Updating your iPhone using 3uTools is a straightforward process. You just need to:

  • 1. Install and launch 3uTools and connect your iPhone to it.

  • 2. Navigate to Flash & JB > Easy Flash interface and download the suggested iOS version.

  • 3. When it's downloaded, click on Flash and the program will start updating your iPhone. It will reboot automatically when the process is completed.

update ios using 3uTools

Q2. How to update iPhone with 3uTools without losing data?

If you don't want to lose data during the updating process, then check the "Retain User's Data While Flashing" box present at the bottom of the screen before clicking on Flash.

In this way, the program will keep your data on the computer and you can access or restore it whenever you want.

iOS 12

Q3. What is Pro Flash in 3uTools?

3uTools offers three different flash methods, namely: Easy Flash, Pro Flash and Multiple Flash. Pro Flash is a feature which comes in handy when:

  • - You need to query your query iDevice's SHSH.

  • - You want to reserve baseband, jailbreak or activate your iPhone during flashing when it's running below iOS 7.

  • - It also supports downgrading iOS in iPhone 4.

There are 4 flashing modes in Pro Flash (present at bottom right corner):

pro flash modes

Q4. Is 3uTools legal?

According to Sofotnic, you can safely download and install 3uTools on your Windows computer (Windows Vista/7/8/10).

Besides, the 3uTools website claims that they don't sell, trade or transfer users' information to outside parties.

Q5. Is it possible to restore unsigned IPSW?

The answer is No. There is no direct way to downgrade unsigned iOS. When it comes to unsigned iOS, Apple has maintained strict security protocols.

However, jailbroken iOS devices, in some cases, can downgrade to unsigned iOS if restore unsigned IPSW. As unsigned IPSW files cannot be installed directly like a regular system update, you can click here to learn How to Restore and Install Unsigned IPSW.


Well, now you should know all about 3uTools and know exactly how to downgrade iOS using 3uTools. However, we recommend you to use WooTechy iMaster because it is the only tool that can help you downgrade iOS without losing any data. As a popular iPhone downgrade software, WooTechy iMaster can help you downgrade iOS to any supported version easily. Just try it and you will find that downgrading iOS can be so easy!

WooTechy iMaster - The Best Tool on iOS Downgrade




  • iOS Downgrade: Easily downgrade iPhone/iPad to any supported iOS version without data lost

  • iOS Upgrade: Quickly update iPhone/iPad to the latest iOS version

  • iOS Backup: Backup all data on iPhone/iPad for free

  • Support almost all iOS versions and latest iPhone/iPad models

  • Easy steps, Fast speed, and Secure

  • Win: Free Download

    Secure Download

    Mac: Free Download

    Secure Download

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