After updating iOS 11, login fails. Most often, the iPhone does not see the update due to a profile conflict.

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“An error occurred during installation” is a message accompanying one of the most frequently encountered problems when updating iOS over the air. After release similar problem began to appear in users much more often than usual, but, fortunately, it is quite easy to deal with it. How to bypass the error when installing iOS is described in this instruction.

There is no big secret in how to update iOS if it is impossible to perform the update wirelessly. However, many iPhone users, iPad and iPod touch they do not know about it, since they have not previously had to resort to using iTunes. As some have already guessed, updating helps to cope with the error mobile device using a computer.

Step 1: Launch iTunes. Important! Must be installed on your computer current version iTunes. You can update the program on Windows in the menu " Reference» → « Updates", on Mac - on the " tab Updates" V Mac App Store . In the event that computer iTunes not installed, download latest version may with official website Apple.

Step 2: Connect your iPhone, iPad or iPod touch to your computer using a USB cable.

Step 3: Select your device in the iTunes window.

Step 4: iTunes will automatically detect that your device needs an update. The program will open a pop-up window in which you need to select “Download and Update”.

Note: if iTunes has not determined that there is an update available for your device, you can initiate its installation by clicking the " Update" In chapter " Review».

Step 5: Wait for your device to download and update. Important! Never disconnect your iPhone, iPad, or iPod touch from your computer while updating.

Ready! Like this in a simple way you can work around the error with the impossibility iPhone updates, iPad or iPod touch wirelessly. Note that, most likely, next versions iOS will be installed on the device over the air without any problems. However, to avoid various errors, it is recommended to install each new version iOS using iTunes.

And much more. However, like other big system updates, iOS 11 also has some problems.

Below we will look at everything found on this moment iOS problems 11 and offer their solutions.

#1. AbsenceiOS 11V Update BY

If you don't have iOS update 11 in Basic > Software Update, check the list of compatible iOS 11 devices. The update is not supported on the following models:

iPhone 5
iPhone 5c
iPad 3
iPad 4

It is possible that the iOS 11 update did not arrive due to the fact that you have iOS 11 GM installed. Since iOS 11 GM and iOS 11 have the same build number, the update may not be available because it is simply not needed.

#2. Installation erroriOS 11

Typically, the error occurs when you try to install an update immediately after it is released, and the servers cannot cope with the influx of users.

#3. Not work32-bitapplications

On the release day of iOS 11, we were once again reminded that 32-bit applications will no longer be supported by the system. If you need to use 32-bit applications, then all that remains is to roll back to iOS 10.3.3 while Apple is still signing the firmware file.

#4. Applications crash

To resolve the issue with the application, try the following options:

Update the application to the latest version. To do this, go to the App Store and open the Updates tab. See if it's there available updates, and download them.
Uninstall the application and install it again. To do this, long-press the application icon on the main screen until the animation appears, then click on the ‘X’ in the corner and select Delete. After that, download it again from the App Store.

#5. Wi– Fi AndBluetoothcannot be disabled in Control Center

Many report that when turning off Wi-Fi and Bluetooth in the control center, they are not completely disabled, and they have to be turned off in the settings, which takes a lot of time.

Apple has confirmed that this should be the case. When you turn off Bluetooth or Wi-Fi in the control center, the device is disconnected from Wi-Fi networks and Bluetooth accessories, but it continues to work with AirDrop, AirPlay, Apple Pencil, Apple Watch etc. More information you will find in our article.

#6. Emails are not sent toOutlook. comAndExchange Mail

It appears that users cannot submit emails via Outlook.com and Exchange Mail. Apple is aware of this issue and is working with Microsoft to resolve it. However, the problem will be fixed only with the next update.

#7. disappears doc oniPad

iOS 11 includes powerful multitasking features: an all-new Dock, drag and drop, and more. If the dock disappears on your iPad, don't worry, it's supposed to happen. Simply swipe up from the bottom of the display to open it again.

#8. No Messages ViCloud

Messages in iCloud was the most talked about feature at the Worldwide Developers Conference. New feature would finally solve the message synchronization problem.

iCloud Messages were available in the first few beta versions of iOS 11, but Apple removed them in iOS 11 beta 5. The company promised to return it in future updates.

#9. Money is not sent to friends viaApple Pay

Now it is possible to receive and send money to friends through Apple Pay not available. Apple has promised to add the feature in an update coming later this fall.

#10. Problems WithWiFi

If you are unable to connect Wi-Fi networks, try to force restart your device. If this doesn't help, go to Settings > General > Reset > Reset network settings. If this does not help, read our article about

The installation of the iOS 11 update may fail on any device that supports the latest version of the system. If an error appears, there is no need to panic - try installing the update again after a while.

Error correction

Why wait before trying to install an update again? The fact is that immediately after the update is released, it starts downloading a large number of users. This may cause problems with Apple servers. Crashes can occur some time after the update is released, so you should always give the system a second chance. Therefore, when an error message appears, click “Close”, wait a couple of hours and try downloading iOS 11 again.

Open settings.
Go to the "Basic" section.
Click “Software Update” and start searching for updates available for installation.

If the error message appears again when you try to update your system again, follow these steps:

If you can’t even download the update, check your device memory. You may be running out of space for iOS 11, so you'll have to get rid of unnecessary content: photos, videos, apps.

Installing an update in iTunes

If the installation of the system update to iOS 11 continues to fail after completing the steps listed above, do not download the update over the air. Update your system via iTunes. To ensure that no problems arise when updating via iTunes (for example, an eternal reboot), the following conditions must be met:

the device supports the latest firmware version;
There is stable connection to the Internet;
no jailbreak procedure was carried out, that is installed system not hacked.

To make sure your device is compatible with iOS 11, check the list of supported models. If you haven’t found your phone or tablet, then there is no point in trying to install the latest version of the system from Apple.

What to do before starting the update:

After such lengthy preparation, you can start updating your device via iTunes. Click "Update" and wait for the procedure to complete. iTunes will automatically download and install the latest firmware.

If iTunes fails to download and install the update, free it from the job. Download the file iOS firmware 11 from a trustworthy source - for example, the website w3bsit3-dns.com. To select a file, hold down Shift key and click the "Update" button in iTunes. A conductor will appear through which you can specify the path to the firmware.

After a successful update, the system will prompt you to perform data recovery. Choose to return data from a copy to iCloud or iTunes, depending on where you saved the last backup. Click “Restore from copy” and do not disconnect the device until the procedure is completed.

Updating a device with jailbreak

What to do if your device has been jailbroken? About the same, but with minor changes. You'll need the latest version of iTunes and free space, but you'll need to remove all apps from your app before upgrading. alternative stores and reset settings to factory settings. For this:

Turn off Find My iPhone in iCloud Settings.
Connect your phone to PC and make a backup.
Click "Restore".

During the recovery process, all data will be deleted from the device's memory, and the system will automatically update to the latest supported version. The jailbreak will be lost, but you will get iOS 11.

An error when updating iOS 11 may result in the system not being installed or installed incorrectly, so that using the device will be uncomfortable. Errors when downloading an update over the air or installing via iTunes can be corrected yourself, without contacting service center.

Supported devices

If you did not receive the iOS 11 update when you connected your device to the Internet via Wi-Fi, and an error occurred when trying to install the update in iTunes, make sure that the model supports the new version of the system.

Please note: you can install iOS 11 on the iPhone 5S, but the iPhone 5 and 5C are not on the list. So it will not be possible to install the update on them in any case; you will have to be content with the capabilities of the previous version.

Failed to check for update

Errors may occur on different stages updates. For example, at the very beginning, even before the update is downloaded, the following message appears:

If your device supports iOS 11 but can't find the update, follow these steps:

Do a hard reboot. Clamp Home buttons and Power (Power and Volume down on iPhone 7 and higher) and hold until the screen turns off.
Check your internet connection. Try connecting to a different Wi-Fi network.
Delete the developer profile if you added it to test the beta version (Settings - General - Profiles - iOS Beta Software Profile - Delete).
Try updating via iTunes.

Immediately after the release of the update, failures may occur on the side of Apple servers, which cannot cope with the influx of users. In this case, all you have to do is wait for your turn to download. If your device detects an update and starts downloading it, but the download is interrupted by an error, wait a little and try downloading the update again.

Pay attention to:

Quantity free space in mind.
Internet connection stability.

If the update does not download over the air, install it via iTunes.

Problems downloading the update to iTunes

Updating via iTunes may also not be ideal. One of the common problems is error 9006, which appears when updating or restoring the firmware. A failure indicates an inability to establish a connection with Apple servers.

Error 9006 when updating iOS 11 can be resolved in the following ways:

Check network connection. Make sure your connection is stable.
Quit iTunes and restart the program.
Install the latest iTunes version. Update the application through the Help menu or completely remove it from your computer along with all components and install the new version downloaded from the Apple website.
Restart your computer.
Try connecting the device to another USB port. Use the connectors that are on the rear panel system unit. Avoid adapters.
Disable antivirus software and firewall for a while.

Typically, to resolve error 9006, it is enough to disable the firewall, which prohibits establishing a connection with Apple servers. The good thing about the iTunes option is that even if Apple servers do not respond, you can download the firmware from a third-party trusted source (for example, the 4PDA site) and install it without any problems.

Hold down the Shift key and click "Restore".
Specify the path to the firmware through Explorer.

iTunes will install itself new system, and you will save time downloading the update.

Difficulties with installation

If you downloaded the update to your device over the air, but problems arise during the installation stage - it crashes, or the installation is too slow - try the following methods:

Hard reboot your device.
Check the battery charge level. Connect the charger.
Make sure your Wi-Fi connection is stable.

If you cannot install the update on your phone or tablet, update via iTunes. As a last resort, you can put the device into DFU mode and then perform a recovery. With this approach, the likelihood of errors occurring is minimal.

If after an update your iPhone stops working or the screen is frozen,

When updating to iOS 11, some users encountered the problem that their screen stopped working. This problem occurs on iPhone and iPad and although it does not occur very often, it still affects many people.

Touch screen malfunctions

At the moment, the cause of this glitch is unknown. Currently, there are a couple of types of its manifestation:

The touch screen completely stops working, that is, the screen does not respond to user actions at all.
Part of the display begins to flicker and stops working.

Errors appear after iOS installations 11 and can only be treated by rebooting the device or restoring via DFU.

Force device reboot

Touchscreen failure after update is software glitch, so fix it without sending it to a service center for repair. First of all, reboot your device. If the screen still refuses to respond to touches, then you should perform a forced reboot.

Press and hold the Home and Power buttons for a few seconds (Power and Volume Down if you have an iPhone 7 and older). The screen should go dark.

Release the buttons. If the apple does not light up on the screen, briefly press the power key

Recovery via DFU

If you encounter a touchscreen malfunction after installing iOS 11, and hard reboot did not correct the situation, then you should try rolling back to iOS 10.3.3. Download the firmware for your device and start putting your phone/tablet into DFU mode.

Launch iTunes
Connect your iPhone/iPad to your computer
Press the Home and Power buttons at the same time. Hold them for 10 seconds.
Release the Power key and continue holding Home key. Within 15-30 seconds, iTunes will display a message indicating that the device is in recovery mode. The iPhone/iPad screen will remain black.

If iTunes doesn't show you a message saying your device is in recovery mode, it means you didn't hold down the buttons long enough. Take a stopwatch and try to enter the phone into DFU mode again.

After recovery to DFU mode When the firmware is rolled back, all data will be deleted from memory. To avoid losing them, make a backup copy. To roll back to iOS 10.3.3.

Once the installation is complete, you can restore your iPhone as new or restore your device from backup copy, made before updating to iOS 11. On iOS 10.3.3. There are no software glitches in the touchscreen operation, so the problem will be solved. All that remains is to wait for the release of the next update with fixes iOS errors 11.

iOS 11.0.1 update

After numerous reports about incorrect operation iOS 11 on different devices Apple developers promptly released the iOS 11.0.1 update, which fixed critical errors.

In addition to the fact that the patch heals the screen, it also improves the device’s performance and increases the time battery life. Full list updates and fixes are not disclosed, but judging by the size (about 280 MB) there are quite a lot of them.