Establishing a connection with the update server via iPad. Make sure VPNs aren't blocking access

Update errors iPad firmware, iPhone, and iPod touch– a rarity, but this rarity can sometimes cause a lot of inconvenience. Therefore, in order to avoid difficulties in such a situation, you need to know the basic methods of solving the problem. After reading the basic recommendations and studying common situations, the problem of communication with iPhone server to update the software will no longer cause horror.

There are several reasons why a user sees the message “Failed to contact the software update server.” iPhone software" Therefore, problem solving has several action strategies. Let's start with the most common case.

1. Is your computer connected to the Internet?

Yes, this situation seems funny at first, but in reality there may be a case that when iTunes access to the server iPhone updates The network connection was indeed interrupted. This means that before performing more serious actions, you should make sure stable connection PC to the Internet. And after that we move on to the next stage. Linked directly to iTunes.

2. iTunes version

The application is rarely used by many owners of Apple gadgets, so the release of new versions of the program becomes known only in such a situation - the impossibility of updating the firmware. The old version in many cases does not allow connecting to the update server for iPad, iPhone or iPod touch software.
The only solution is to update the version of iTunes, which is easy to do. You just need to open the “Help” tab, where the “Updates” item will be available. We select it, confirm the download with further installation. Only after this do we try to repeat the procedure, and if the error still exists, move on to the next point.

3. Full reinstalling iTunes
Updating the program to the latest version sometimes does not solve the issue, and iTunes continues to refuse to download necessary update BY. Then you need to go through the procedure complete reinstallation application, for which you need to initially remove all program components. It is important to follow the order listed below:
first remove iTunes;
then erase Apple SoftwareUpdate;
Apple is next Mobile Device Support;
further removal is subject to Bonjour;
and lastly, if iTunes is version 9 or higher, remove AppleApplication Support.
Upon completion of all these procedures, you need to restart the computer, and then install the latest iTunes version presented on official portal Apple. Often this solves the problem, but if the error has not disappeared even now, then we proceed to more serious operations.

4. Editing the Hosts file
Sometimes on computers running Windows, servers are unavailable when the hosts file is infected with a virus. It would be a good idea to check and edit it, for which we perform the following 5 steps.
1. Open the main drive (usually C:/), then go to Windows folder and find System32 there. Here we open Drivers folder and move on to Etc folder.
2. Find the hosts file and make a copy of it, saving it separately.

3. We use any editor to open it (even standard Notepad is suitable).
4. Delete all lines that contain the address gs.apple.com.

5. Save the file and reboot the PC.
Unsuccessful operation will require another attempt to solve the problem with the gadget indicated in the next paragraph.

6. Update on another PC
Did all the steps described above not help? Then we make one last attempt by connecting your iPhone to another computer, where the software update process can successfully take place.
There are extremely rare cases where the problem may be caused by emergency at Apple. Sometimes servers may be turned off to allow technical work or simply not working due to some problem. This happens rarely, and the crashes themselves are often caused only by a major recent update.

« "iTunes was unable to connect to iPhone because it received an invalid response from the device" or "iTunes could not connect to the iPhone because an invalid response was received from the device", suddenly this message appears when syncing with iTunes, and why did such an error happen?

In fact, when connecting an iPhone or iPad to a computer The certificate exchange procedure takes place. The user sees a dialog box on the computer and mobile device with the option to “install trusting relationship» between devices. If you answer negatively at least on the device, this will lead to the inability to connect and similar mistakes. But what to do in this situation and we will tell you how to fix this problem?

Simple ways to fix the error

1. Check your iPhone shunt

5. Uninstall iTunes and reinstall it

These methods can simply solve minor errors in the system, if they do not help, then you should try the following methods.

For Windows/Mac operating system

For Mac OS X users

1. Disconnect all iOS devices from your computer and close iTunes. Open Finder, select Go -> Go to Folder. Type the following command in the box and press Enter: /var/db/lockdown

2. Open the View menu and select to display folder files as icons. In the Finder window, you will see one or more files with long alphanumeric file names.

3. Go to Finder via Edit -> Select All. Then select File -> Move to Trash. When prompted, enter your administrator password. Restart your computer.

For Windows XP users

1. Close iTunes and disconnect your iPhone, iPad or iPod Touch. Go to “Start” - “My Computer”.

2. In the window that opens, click on the “Tools” button – “Folder Options” – “View”.

For Windows Vista or Windows 7 users

1. Close iTunes and disconnect your iPhone, iPad or iPod Touch. Next, go to “Start” – “Computer”.

2. In the window that opens, in top menu Click on the “Arrange” button. Next, select “Folder and Search Options” – “View”.

3. B additional parameters, at the very end of the list, look for the “Hidden files and folders” option and switch to “Show hidden files and folders." Save your changes.

4. Then on local disk We are looking for the ProgramData folder, and in it Apple folder. And finally we find what we need - Lockdown folder. Let's delete it. Restart your computer.

Fix the problem with Tenorshare ReiBoot in one click

If you have tried all the methods above, but the problem is not resolved, you can only resort to the last option. The problem is probably not in the PC, but in the iPhone. And this means you need to solve this error with help.

First, download and install Tenorshare ReiBoot on your computer. Then run it. Connect your iPhone/iPad/iPod touch to your computer using a USB cable. And then Tenorshare ReiBoot will recognize your device, click “Enter Recovery Mode”, then your device is already out of DFU mode.

After that, click “Exit Recovery Mode”, wait a little and the device will reboot safely. Do not disconnect the device during this process.

One click this program can solve the stuck, also if the iphone is stuck in recovery mode ( recovery mode), V iTunes mode, in update mode, in mode shutdown, in mode headphones, Tenorshare ReiBoot always allows the device to recover from a freeze.

Hello everyone, today we’ll look at what to do if we couldn’t establish a connection with the iPhone software update server?

One of the most pleasant features of modern mobile OSes is over-the-air updates. The times when you had to manually download the firmware, install it using special cable and then further sharpen it to suit your device, passed.

However, depend on remote server- also a pleasure with pitfalls. After each update is released, Apple servers withstand an influx of people wanting to update faster. What if I can’t establish a connection with the iPhone software update server?

First of all, check whether there is a connection to the Internet at all. To do this, launch the browser client social network or other "network" program. If there is no connection, then the problem may be with your connection. Delete the connection in the Wi-Fi section and create it again. If this does not help, go to the router settings and change the broadcast to hybrid mode“b+g”.

If you are updating via a computer with using iTunes, check if you are using the latest version of the program.

Not the freshest? Update yourself. And activate it for the future automatic check updates.

The malware may have made changes to the hosts file. Let us remind you that it is located in the folder C:\WINDOWS\SYSTEM32\DRIVERS\ETC. Open this file with Notepad. If it contains lines mentioning apple.com, remove them.

It happens that everything is solved by simply restarting the computer or iPhone. This method should not be neglected (although, of course, rebooting is not a panacea).

Finally, errors also occur on the Apple server itself, especially during the busiest hours after release. latest updates. Then all that remains is to try a little later.

After launching this mode, you will see a list of all backup files that are on your computer. After scanning, all contents of the backup file are sorted into categories. Now you can select files to recover. First, reboot your device.

An error with the text “Could not establish contact with the iPhone update server” can occur for several reasons at once, and accordingly, you may need to various actions. Below we have discussed several ways to combat this error.

1. Check if your computer has Internet access

After resetting the error should be resolved. If not, you need to restore your device. Now click "Select" to restore your data. The recovery process then begins, which may take longer than an hour for some cases. Select the firmware and download.

You need to download the firmware for your device for it to work. Then click "Download" and wait for the software to finish downloading. Make sure your network settings true and what's yours network connection active, or try again later. In short, you're stuck and have no idea how to proceed.

Yes, it may sound trivial, but sometimes the problem may be that at the time when iTunes was accessing the Apple software update server, there was no Internet connection on your computer. Therefore, before you begin any active actions, make sure once again that your Mac or PC has access to the Internet.

2. Update iTunes to the latest version

To transfer your subscription more than three times, please contact support. The issue was quickly resolved and we apologize to these customers. The following message is displayed on all error-prone devices. What the hell! Anyone have other problems?

Luckily, the solution to this problem is simple as the error message looks like this: repair. Unfortunately, if you don't create backup copy, you will lose all your data that was not synced to the cloud. So, in light of the issues that many users are experiencing, our recommendation is to wait a bit for clarity, especially if you haven't created a backup for a variety of reasons.

Step 3. Open the hosts file with any text editor, For example, standard Notepad(you need to open the editor as an administrator)

Step 4: Remove from hosts files all lines containing the address gs.apple.com

Step 5: Save changes and restart your computer

5. Hard reset your iPhone

It is likely that the problem may not be in iTunes at all, but in the mobile device. In order to check this, it is enough to perform a hard reboot iPhone, iPad or iPod touch by simultaneously pressing the Power and Home buttons for a few seconds.

6. Try updating your iPhone on another computer

If none of the above helps, you need to try updating to the latest version of iOS using another computer.

Well, quite in in rare cases Apple itself is to blame for the problem. Its software update servers may be under technical work, or simply “fall”. The latter, however, happens only after the release of the largest updates.

A window with the message “iTunes could not connect to this iPhone. An unknown error has occurred" appears when the Lockdown directory or its contents are corrupted. Solution - .

The error can also be caused by connection problems, Jailbreak, incorrectly installed/updated iTunes and antivirus protection Windows.

As a result, a window appears with the following messages:

1. iTunes was unable to connect to this iPhone. An unknown error 0xe8000015 occurred.
2. The error code can be 0xe8000015 or 0xe8000003, less often - 0xe800002d and 0xe8000065.
3. There is no value.
4. Failed to send message to device.
5. An invalid response was received from the device.
6. iTunes was unable to connect to this iPhone because there was a reading error.

Since the cause of connection errors 0xe8000015, 0xe8000003 and others is the Lockdown directory, you should first fix the problems in it.

Fixing iTunes connection errors:

Main causes of error

There are many reasons for errors; you will have to try and find yours among several possible ones. Often the cause of the error lies in trivial things like bad connection or settings Windows protection. There are more serious problems that require changes to internal iPhone directories

Main reasons for the error:

1. Errors caused by connection problems in iPhone or Wi-Fi networks.
2. Conflicts between iTunes and iPhone with antivirus and security software, as well as the Windows firewall.
3. Problems caused by incorrect connection of the phone via USB to the computer.
4. The presence of Jailbreak (hacked iPhone) and downloaded pirated software on it.
5. iTunes is not installed or updated correctly.

Depending on the error, its code, as well as recent actions The user can find out why the connection between the phone and iTunes is not established.

Network and Wi-Fi errors

The error may appear if Windows is unable to establish a connection with iTunes, iPhone, Apple Stope, mail server or update server. In this case, a note “An unknown error has occurred” or “An error occurred while loading the software” is written in the system window.

Connection, network, Wi-Fi error codes: 17, 1403, 1004, 1013, 1014, 1015, 3200, 3004.

Sometimes the user has nothing to do with it - problems occur on Apple side, and then you just have to wait for the update servers to normalize. At the same time, most of errors can be corrected using the following steps:

1. Error code 17 . An error with this code appears when a user with unofficial firmware from third party developers(custom firmware) is trying to change it to another. Similar actions with changing and modifying the firmware can only be performed when the phone is in DFU mode. After entering DFU mode, the problem will disappear.
2. Error code 1403 . The problem occurs when trying iPhone recovery with the help damaged firmware. To solve, you should use another download method to download the firmware, or download the firmware from another location. Dream damaged files The update will install normally, without notifications about conflicts with the system.
3. Codes 3004 And 3200 . It is not the user's fault that these errors appear: they occur when trying to download updates in the first few hours or days after their release. These days there is a huge load on Apple servers, so problems with communication and connection establishment occur frequently.
4. Codes 1013 , 1014 And 1015 . Appears when trying to update iOS version on iPhone to an older one, or roll back the firmware to previous versions. According to the policy Apple, return to old version systems is only possible during the first 2 weeks after the update. After this, you will not be able to roll back the system using permitted methods.

If all of the above situations cannot be the cause of the problem, you should move on to the next step - fixing problems with the Lockdown directory.

Solving errors 0xe8000015 (0xe8000003) via Lockdown

The Lockdown directory is created after iTunes installations, the first time you connect iPhone to your computer. The contents of the directory files give Windows right modify, record, synchronize and otherwise interact with files on the device. Third party firmware, jailbreak and hacked software significantly increase the chance of problems with Lockdown.

The directory may have different locations and other differences depending on the version operating system Windows. Therefore, instructions for fixing errors are slightly different for popular versions of this OS.

If the contents of the directory are damaged and error 0xe8000015 appears, you need to reset (delete) the directory:

1. Close iTunes completely.
2. Disconnect your iPhone or other iOS device from your computer.
3. Open dispatcher Windows tasks(key combination Ctrl+Alt+Del).
4. Go to the "Processes" tab.
5. Terminate all running processes from the list: AppleMobileDeviceService.exe, APSDaemon.exe, distnoted.exe, iPodService.exe, iTunesHelper.exe, mDNSResponder.exe.

If iTunes is closed, all 6 processes should exit without issue. You need to click on each process right click mouse and select “End process”. The further sequence of actions depends on which version of Windows OS is used on the computer.

Instructions for Windows 10, 8, 7 and Vista:

1. Click "Start".
2. Enter %ProgramData% in the search bar.
3. Press "Enter".
4. In the search results, find and open the Apple folder.
5. Find the Lockdown folder.
6. Right-click on it and select context menu"Delete" item.

IN Windows XP this directory is located at a different address and the process for deleting it is different:

1. Click the “Start” button.
2. Select "Run".
3. In the window that appears, enter %AllUsersProfile% and click "OK".
4. Find and open in search results Application folder Data (can be hidden and read-only, in which case you need to select the “Show hidden files and folders” setting in Explorer).
5. Find and open the Apple folder.
6. Find the Lockdown folder and right-click on it.
7. Select “Delete” in the context menu that appears.

If everything is done correctly, the directory will be deleted from the computer. After this you need to do the following:

1. Relaunch iTunes.
2. Connect your iPhone (or other iOS device) to your PC.
3. A window will appear with the text “Do you want to allow this computer to access information on?” — you need to click the “Continue” button.
4. After this, a window will appear on the iOS device, where you also need to allow access.

If the problem was caused by the LockDown directory, then it is guaranteed to be resolved using the instructions above. Otherwise, you are left to check why else iTunes is unable to connect to this iPhone.

Problems with USB connection

Problems with the USB connection also occur unique codes errors. From them you can understand which component of the connection failed. On Windows screen There is an error connecting to the iPhone, a message about unknown error and its code.

USB connection failure codes: 13, 14, 1601-1609, 2001-2011, 4005, 4013

The problem is almost guaranteed to be related to the connection if the system issues the following warnings:

• iPhone timed out waiting for a response.
• The device cannot run faster.
• An unknown error occurred during synchronization.

In case of errors 13 And 14 The cable may need to be replaced. This often solves the problem if you try iPhone connections a cheap one is used for the computer Chinese cable instead of the original one.

There are a few exceptions:

• Code 13 often appears when trying to install from Windows environment beta versions of iOS.
• Code 14 may appear when iTunes conflicts with antivirus software.

In this case, you should make sure that software Apple is not blocked antivirus programs and Windows firewall.

Exceptions and non-standard solutions

If reinstalling iTunes and the directory does not help, you should remove all programs that work with iTunes:

1. Apple Application Support
2. Apple Mobile Device Support
3. Apple Software Update
4. Bonjour
5. QuickTime

After this, it makes sense to use CCleaner to clean the registry. This can be done manually:

1. Click “Start”, “Run”.
2. Enter regedit in the field that appears.
3. In the registry editor that opens, enter the names of programs and delete the results found.

It is advisable to carry out such actions with sufficient experience Windows operation and more than superficial knowledge of the operating system. Removing unnecessary registry entries can lead to numerous new errors.

You can also go to iPhone or other iOS device and check the rest free space: Sometimes errors occur when there is less than 1 GB of memory left on the device. To do this, go to “Settings”, “General”, “Available”. It may take some time for the system to show the used and remaining space.