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Is it possible to rollback from iOS 9.3 1. How to roll back the version of IOS on iPhone, iPad. Saving important data

On iPhone and iPad, it is possible to rollback to the previous version of the OS. Traditionally, after the release of each new edition of the branded "axis", Apple leaves such an opportunity for a short while. A day after the release of the cumulative update, the company is still issuing certificates for iOS 9.2.1.

Released on March 21, iOS 9.3 is a major software release with a lot of changes. The main innovation is support for the Night Shift mode, which automatically shifts the color temperature of the display to the warmer end of the spectrum at night. Research has shown that the bright blue color in the evening can affect a person's circadian rhythms, making it harder to fall asleep. Other innovations include password-protected Notes, an improved version of the Apple News app, and an updated CarPlay interface.

Based on benchmarks, iOS 9.3 performs better than iOS 9.2.1 when it comes to performance. Nevertheless, some users complain about accelerated battery drain on their devices and problems with activating gadgets. In such cases, it makes sense to use the instructions for downgrading to the previous OS version. Another reason why a user may decide to downgrade is jailbreak. According to preliminary information, the upcoming exploit will not be available for the latest version of the OS, at least for the first time.

Note that we are talking about refunds only on iOS 9.2.1 - Apple still issues digital certificates for it. The situation can change at any time.

Requirements:

iPhone or iPad running iOS 9.3.
IOS 9.2.1 IPSW file.
iTunes 12.3.3 for Mac or Windows.

How to rollback from iOS 9.3 to iOS 9.2.1:

Step 1: Download the iOS 9.2.1 file from Apple servers at this link.

Step 2: Make sure you have iTunes 12.3.3 installed. You can download the latest version on this page.

Step 3: Back up your data. This can be done in the settings of your iPhone or iPad: iCloud -\u003e Backup -\u003e Create a backup, or by connecting your mobile device to your computer and saving the backup using iTunes.

Step 4: Turn off Touch ID / Password in Basic settings.

Step 5: In this step, you need to disable Find My iPhone. The option is in the Settings -\u003e iCloud menu.

Step 6: Connect your iPhone, iPad or iPod touch running iOS 9.3 to your PC.

Step 7: Open iTunes and select the icon of your gadget in the top bar of the program.

Step 8: Hold down Shift (or Alt on OS X) and click the "Restore" button.

Step 9: In the program window, specify the iOS 9.2.1 firmware file that you downloaded in step 1.

Step 10: Wait for the procedure to complete, the OS recovery process will take some time. Now you can use your device with iOS 9.2.1.

don't like iOS 11? Why was it updated then? ... Although this release is really specific. Not everyone will come right away. Every year Apple introduces new versions of iOS with supposedly improved features and improved optimizations, but in fact, for the last couple of years, we have been “rubbed in some kind of game” full of bugs and flaws.

We, in turn, find ourselves in the place of "guinea pigs" who must identify weaknesses and point out them to Apple for further correction. What was the recent release of the nightmarish iOS 9, when users around the world began to complain that theirs.

Basically, a similar situation was with the release of iOS 8 ... and 7 too. So, if something strange happens to your iPhone after updating, it may not be too late to roll back to the previous version of iOS... Today I will tell you how to do it.

Nuances of the update

But first, I would like to mention a couple of nuances associated with iOS firmware that you simply must know... As you already know, updating to a newer firmware is quite intuitive by pressing one button in the Phone Settings or in iTunes on your computer.

If you want to return to a non-previous version of iOS, you must first download the firmware file with the ipsw extension from the Internet yourself, and then install it by connecting the phone to the computer.

If you suddenly decide that you can now install any old firmware, I will have to upset you. See how the situation stands. During the installation of any version of iOS, your device contacts the Apple server for a digital signature.

If the server sees an iOS version on your device that is no longer supported, it will not sign it and the installation will end with an error. If you do not understand, I will explain with an example: if you have just installed iOS 9.0, then now you can only return to 8.4.1 and that is not a fact. With the release of new versions of iOS, Apple stops signing older versions.

The maximum is “you can take one step back”. At the time of this writing, the only current firmware for all devices starting with the iPhone 4S is 9.0.2.

How to find out which versions of iOS are relevant today? Very simple! Go to https://ipsw.me/all and click on the model of your device.

How to downgrade to a previous version of iOS

The step-by-step instruction looks like this:

STEP 1 - Download the firmware file with the extension .ipsw from the link above:

STEP 2 - Make sure you have the latest version of iTunes installed

STEP 3 - If possible,

STEP 4 - B Settings iPhone disable features: Find iPhone and Touch ID / Password

STEP 5 - Connect iPhone to computer with USB cable and launch iTunes

STEP 6 - Click on your device icon in the upper left corner of the window

STEP 7 - While holding the Shift key ( Option / Alt on MAC), click on the Update button in the iTunes window

STEP 8 - In the window that opens, find the previously downloaded firmware file (with the ipsw extension) and confirm with OK

Again, there is nothing complicated in this instruction. I hope reverting to a previous version of iOS has solved your problem. Be sure to keep track of the next iOS updates, as often the first major update of the current firmware removes most of the bugs.

I do not advise anyone to update to a new iOS firmware in the first days after the official release. As for me, it is better to wait a couple of weeks than to be among the “lucky ones” whose phones have turned into bricks.

Not perfect. It offers several new features but is not much different from the previous version. At the same time, users of old devices may experience various difficulties associated with the fact that their devices are not powerful enough for the new firmware. In this connection, there may be a desire to return to stable. To do this is quite simple, the main thing is to follow the instructions.

Make sure your smartphone or tablet is at least 75% charged.
Disable Find My iPhone. To do this, go to "Settings" and go to the iCloud section, and then turn off the Find My iPhone function. The system will ask for your Apple ID password and you will need to enter it.

After that, the "apple" device must be connected to the computer and run iTunes, and the device itself must be switched to firmware mode (DFU, Device Firmware Update). To do this, simultaneously hold down the Power and Home buttons for 10 seconds. Then release the Power button while continuing to hold the Home button. The system should indicate that the device is switched to DFU mode and is ready for firmware. Click the "Ok" button.

Select the "Restore iPhone" (or iPad) option. iTunes will ask you to confirm that you really want to revert to the old firmware. We confirm this by pressing the "Next" and "Agree" buttons, after which the automatic process of installing the old firmware will begin.

It usually takes about 20 minutes to update the firmware, but if you have problems (for example, with Internet access or connecting to Apple servers), you can manually install the firmware using the image file. Just hold down the Shift key on your keyboard (or Option on MacOS) and click on the "Restore iPhone" option. In the window that opens, find and select the image file you downloaded and sequentially click the "Open" and "Restore" buttons. You don't need to do anything else, just wait for the result.
After returning to the previous firmware version, the system will persistently ask you to update, therefore, in the settings of your device and iTunes, you must disable automatic updating.

The differences between iOS 9.3.2 and iOS 10 are minor. The latter received a beautiful new lock screen, a keyboard with hints and a bunch of new emoticons. The system also became more open (for example, Siri made friends with third-party applications) and learned to automatically group photos of people, places and objects into beautifully designed collections. There are no other significant innovations, and those that are there may cause a decrease in performance on older devices. At the same time, it is not known what problems will still be discovered and how long it will take to fix them.

When you upgrade to a newer version of IOS, you may notice that you don't like the firmware. In this case, there is a great way out - to roll back the software to the optimal version, in your opinion. That is, if you have upgraded to, for example, IOS 10, then you can safely install IOS 8 on your device using the instructions below.

When to rollback iOS

The reasons for installing an older version of the operating system may be the following circumstances:

With new firmware versions, the design changes, and the new design may not please all users.
The most common reason is the appearance of freezes and glitches. There are similar problems for two reasons: either the new version of the firmware has become available to users in a too raw form, with errors in the code and flaws, or the device that was updated has become outdated for the loads created by the new version of IOS.

Please note that rollback of any device for any version is not possible, detailed information about which device can be rolled back to which version of the firmware can be viewed on the following website - http://appstudio.org/shsh. All data is arranged in a table format.

How to rollback iOS to a specific version on an Apple device

Before starting the process, you need to prepare the following things:

ITunes installed on your computer and updated to the latest version.
The version of the software of your choice in an IPSW format downloaded to an easily accessible folder. You can download it from trusted Internet sites that distribute IOS firmware for free, for example, at the following link - http://appstudio.org/ios. Download the firmware strictly for your device model, otherwise there will be problems during installation.
A USB adapter that connects your device to your computer.

If you have met all of the above conditions, then the next step will be to prepare the device itself for the rollback process.

Saving important data

Please note that when you roll back a device, all data, apps, and media files are permanently erased from the device, so it's worth taking care of them. There is an option that allows you to delete files from the device, it will be discussed below in the article, but it is no less stable. You can save everything you need using a backup, created as follows:

Disable password

Another important point is disabling the password and Touch ID, if supported and enabled on your device.

Deactivating Find My iPhone

Before any actions with the firmware of the device, you must disable the "Find iPhone" function, otherwise, iTunes will simply not allow you to perform any actions:

Rollback firmware

If all the previous preparatory work has been carried out, then you can proceed to the rollback itself. It does not matter from which device you rollback, as well as from which and to which version of IOS you will be migrated.

Connect your device to your computer using a USB adapter.
Log in to the system.
Go to the settings of your device by clicking on the icon in the form of a phone or tablet.
Hold down the Shift key on your keyboard if you're using Windows, or the Option key if you're using Mac OS. Without releasing the key, click on the "Restore" button.
A window with folders will open, you need to specify the path to the firmware that you downloaded earlier.
Wait for iTunes to extract the software from the firmware and install it. The process can last from five minutes to half an hour, do not disconnect the device from the computer and do not interrupt the process by any action, otherwise the device may enter the infinite recovery mode.

Rollback without data loss

This rollback option also exists, it allows you to rollback without losing data on the device. To do this, in point 4 of the "Firmware rollback" section, you need to click on the "Restore" button, and the "Update" button. All other steps are exactly the same. The only thing worth considering is that performing a full recovery, that is, resetting the system and installing it from scratch, is safer, since the chance that any elements will remain from the previous version is much lower.

Video tutorial: How to rollback iOS version

Third-party rollback programs

If for some reason the method with iTunes does not suit you, then you can use the third-party program RedSnow. It is distributed free of charge for both Windows and Mac OS on the developer's official website - http://redsnow.ru.

After downloading and opening the program, select the Extras section.
Click on the Even More button.
In the menu that opens, go to the Restore block.
Click the IPSW button to specify the path to the pre-downloaded firmware.
In the notification that appears, you will be asked whether to cancel the promotion of the modem or not. Click on the "Yes" option.
A window will open in which you will be warned that now the device will need to be put into recovery mode, close it.
Connect your device to your computer with a USB adapter and enter it into DFU Mode. How to do this is described step by step in the program itself.
If you have not performed such rollback operations with this program before, then click on the Remote button so that it automatically finds the necessary hashes on its servers.
Done, now it remains to wait for the end of the process. The device will automatically update to the version you downloaded and turn on, after which you will have to go through the initial setup process.

Is it possible to rollback individual applications

If the purpose of your system rollback is to install older versions of applications, then it is not worth it, since there is a better option - to use the special App Admin program. You can download it directly from the App Store for free. Thanks to this application, you can view all the available versions of the applications installed on your phone and roll back to them. To use the program, you just need to select the applications to rollback and enter a unique version number to which you want to drop the selected application.

So, the installation of an older version of the software is possible on all devices from Apple, but you can rollback not to any version, but only to those that have the SHSH signature. The process can be performed both through the official iTunes application and through third-party programs. The main thing is to download the correct firmware version and not interrupt the update process until it is fully completed.

Each Android and iOS update has its own benefits. However, it sometimes happens that a fresh version of the system has some critical flaws that are not fixed by the developer for a long time. Or, a situation may arise when a new update just terribly loads the mobile device and slows down. One of these unsuccessful updates was iOS 9.3.5. And everything would be fine, a new version was released that would correct the existing shortcomings, but this update was the last for a number of devices based on the A5 processor, and more specifically:

iPad 2.

iPad 3 (iPad with Retina display).

iPad mini (1st generation).

iPhone 4s.

iPod touch 5.

The first thing we need to do is use an exploit that will allow us to get a jailbreak. The list of devices on which it turns out to be used is as follows:

iPhone 4s.

iPhone 5.

iPhone 5c.

iPad 2.

iPad 3.

iPad 4.

iPad mini 1.

How to Jailbreak

1. Download

2. Download

3. We connect the iPhone or iPad to the computer using a cable.
4. Launch Cydia Impactor and drag the ipa file into the program window.

5. When prompted, enters your Apple ID information in the pop-up window.

6. Go to "Settings" -\u003e "General" -\u003e "Device Management" on the mobile device, select the Phoenix certificate and double-click the "Trust" button.

7. Return to the home screen and launch the Phoenix application. We agree to the offer to receive push notifications. Uncheck Phoenix at the bottom and click on the circle.

8. Lock the screen of your mobile device and after a few seconds you will see a message about the successful hacking of the system.

9. Unlock your smartphone or tablet and open Phoenix again. You will see an animation showing the preparation for installing Cydia. Wait for the device to restart, after which the Cydia app store will be installed.

10. It is worth clarifying that after each reboot you will have to repeat steps 7-9.

How to downgrade to iOS 8.4.1?

Open the Cydia store and search for "Filza File Manager".

We launch this file manager.
Go to / System / Library / CoreServices

We are looking for the SystemVersion.plist file

Editing Version (9.3.5) and Build (13G36) to Version (6.1.3) and Build (10B329) respectively.

We save and reboot the device (simultaneously hold down the power button together with the Home key and hold it until the loading screen with an apple appears).