I establish a connection with the update server via iPad. Check if your computer has Internet access

« "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 synchronizing 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 then 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 errors. 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. Enter in the field next command and press Enter: /var/db/lockdown

2. Open the View menu and select to display folder files as icons. IN 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” – “Folder Options” – “View” button.

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 the 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 iPhone/iPad/ iPod touch to a 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.

Have you ever encountered an unknown error when connecting your iPad or iPhone to your Mac? They may appear during the update software iOS device or backup iPad copying or iPhone on your Mac, PC. Below you will find a list of all these errors, an explanation of what they mean, and some instructions to help you resolve them. iPhone gives an error in iTunes, how to fix it?

Before you start, try a few simple steps first and see if they fix your problem.

1. Download the latest version of iTunes. Check your version of iTunes by clicking Help > Check for Updates on your Windows PC or iTunes > Check for Updates on your Mac. Download the latest version if it is not already installed.

2. Checking for system software updates. On Mac, you can easily check for updates by going to Mac App Store and clicking the Updates icon in the menu bar. You can also open apple menu, and then select “Choose a software update.” PC owners can visit.

3. Disable everything additional USB devices, leaving only your computer with a mouse, keyboard and iOS device.

4. Restart your computer and soft reset your iOS device by holding the Home button and Power button until the screen displays Apple logo. Restarting your devices often fixes small errors and the first thing I do is reboot to fix the unusual crashes I encounter.

5. Close the virtualization software such as Parallels or VMware running on your Mac.

6. Try again. Disconnect and connect your iOS device to try again.

iPhone gives an error when communicating with the iTunes server

iTunes gives errors: 17, 1004, 1013, 1638, 3014, 3194, 3000, 3002, 3004, 3013, 3015, or 3200.

Errors usually indicate there are communication problems between iTunes and the server Apple updates. Along with the code, the error may also say: “There was a problem downloading the software” or “The device is not eligible for this update.”

You can quickly check if your connection is working by typing "APPLE.COM" into your web browser if you get to official page or 404 page on Apple's website, then your connection is working correctly. If you are unable to access the Apple website, you should check your internet connection to make sure it is working.

Check the Wi-Fi on your computer, make sure it is turned on. Check the router and modem for functionality and connectivity, and reboot the power to your router. Apple has people who can help with this.

If the "APPLE.COM" input is redirected to another website, you need to check to make sure there are no connection problems between iTunes, ports and the server.

Antivirus is blocking the connection, turn off the firewall

iTunes gives errors: 2, 4, 6, 9, 1000, 1611, 9807 or 9844.

Problem connecting USB cables on iPhone

iTunes gives errors: 13, 14, 1600, 1601, 1602, 1603, 1604, 1611, 1643-1650, 2000, 2001, 2002, 2006, 2009, 4000, 4005, 4013, 4014, 4016, "invalid" answer" and after how the restoration is completed.

Sometimes an old cable or faulty USB port can cause the connection to iTunes to fail and the iPhone to display an error. The simplest solution to this problem is to try a new USB cable frequently and remove all other devices by connecting your iOS device directly to your Mac. If these simple steps will not fix the problem, you can follow these instructions: or from Apple.

iTunes doesn't see iPhone

iTunes does not see iPhone - What to do?

iTunes does not recognize Iphone - What to do?

WHAT TO DO IF ITUNES DOESN'T SEEN IPHONE

ITUNES DOESN'T SEE IPHONE [SOLUTION]

Apple driver signature error Mobile Device USB Driver

iTunes does not see iPhone, how to restore it?

Problems with the USB port on iPhone or PC

Errors: 1, 3, 10, 11, 12, 13, 14, 16, 20, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 1000, 1002, 1004, 1011, 1012, 1014, 1667 or 1669.

Sometimes hardware problems can prevent your Mac or PC from connecting to your iOS device. Follow the steps above to resolve any errors with your internet connection, security software, cables, and USB ports before you begin to look into problems with hardware malfunction on your Mac device or iOS.

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 poor connection or settings Windows protection. There are also more serious problems that require changes to the internal directories of the iPhone

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, in system window the note “An unknown error has occurred” or “An error occurred while loading the software” is written.

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

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

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 using 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's servers, so problems with communication and connection establishment occur frequently.
4. Codes 1013 , 1014 And 1015 . They appear when you try to update the iOS version on an iPhone to an older one, or roll back the firmware to previous versions. According to Apple's policy, returns to old version system 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 catalog 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. In the search results, find and open the Application Data folder (it may 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 the “Delete” item 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 have unique error codes. 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 connection related 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 Chinese cable is used to the computer 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 the Apple software 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. Removal extra entries registry can lead to numerous new errors.

You can also go into your iPhone or other iOS device and check the remaining free place: 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.

Whether you use your iOS, Mac or Windows device to connect to one of the stores digital content Apple, you may be experiencing "Unable to connect to" errors. iTunes Store" or "Can't connect to the App Store." This can happen at any time, even the most inconvenient moment, when you try to use the App Store, iBooks store, and even iTunes.

Can't connect to iTunes or App Store on iOS: what to do

If you are having trouble connecting to the App Store, or any of Apple's other online digital content stores through any of your iOS devices, be it an iPhone, iPod or iPad. There could be many reasons why this happens. Sometimes this can be a problem with wireless network, Internet cable is disconnected, or it is because the drivers are not updated. You can follow the following steps to help resolve these issues.

Check date and time settings

If the date and time on the device are turned off, Apple's digital content stores obviously won't like it. To check your date and time settings, you need to do the following:

Make sure you have the latest version of iOS installed on your system

Another thing you can check is to make sure that your iOS version updated. To do this, check for updates; this can be done by following the instructions below.

Make sure you have a good data connection

If you are using Wi-Fi, make sure you are connected to the right network Wi-Fi by going to “Settings” and opening the “Wi-Fi” item, and whether your signal is strong enough.

Checking the settings Wi-Fi connections

If you use cellular communication, check if you have data cellular network, configured in Settings > Cellular, and make sure your signal is strong enough for a decent network connection. You should use LTE if possible as it usually has better speed data transmission.

Enable the use of Cellular

Disabling active VPNs

If you are using a VPN that can block Apple digital content storage, then you should immediately disable the VPN from Settings > VPN to see if you can connect or not. If everything works after disabling your VPN, then the VPN was your problem all along.

Turn off VPN

Do other devices on the same network have the same problem?

You can check if the problem is just with your device or if it's a problem with Apple servers by checking another iOS device or another Mac or PC to see if those computers are also having connectivity issues. If the problem occurs on all devices, then it is likely that Apple's servers are experiencing an outage and you should try again later.

Make sure there are no problems with your router.

You should never rule out what's wrong with your wireless router may have problems. If you are seeing endless error messages, you can also try resetting your router and thus resetting your internet connection and this may solve the problem.

Can't connect to iTunes or App Store on Mac

As on iOS devices, at using Mac The App Store, iBooks Store, or iTunes Store may experience similar connection issues. Here are a few steps you can take to fix connection problems on your Mac.

Make sure your software is up to date

Apple's OS X operating system uses two key applications to connect to the web, namely, online digital content stores - Safari and iTunes. If you are using outdated version these software products, Apple may block their connection to digital content storage sites from a security perspective.

You can make sure both are up to date by running Mac App Store and open the Updates tab, then install updates if necessary.

Go to the “Updates” tab

Make sure your firewall isn't blocking Apple's digital content stores

Mac users have access to firewall settings, but only for incoming connections. Third-party firewall software such as LittleSnitch will allow you to block outgoing connections. Make sure your incoming and outgoing connections allow you to use the Mac App Store, iBooks, and iTunes.

To check the OS X Firewall's incoming connections, you can launch the System preferences application from the menu in the Menu Bar, then click the Security & Privacy panel and open the Firewall tab. Here you can unlock the firewall settings and click the "Firewall Options" button to configure the allowed and disabled settings.

Unlocking firewall settings

Make sure VPNs aren't blocking access

As with iOS, you can check to see if your Mac is connected to a VPN, which may be restricting access. Generally, VPN software is accessed from the menu bar when it is in use.

Checking if the Mac is connected to the VPN

Resetting your router or modem

Because the Mac computers can use wireless or wired connection Internet connection, you can try resetting your wireless or wired router, this may fix the problem.

Sometimes problems with your router may be the cause of iTunes Store and App Store connection errors.

Check Apple Server Status

To find out if the problem is with Apple's servers and not the Mac, visit the System Status web page and it will alert you to any outages Apple systems. If all the items are marked green, then the problem is most likely related to your computer and not to the servers.

Can't connect to iTunes or App Store on Windows

If you are having trouble connecting to the iTunes Store on your Windows PC, you can follow some of the following steps and hopefully this will resolve your issue:

Make sure iTunes is up to date

Since Apple is quite strict about timely update software, the problem may be due to unsupported iTunes version. Make sure you have the latest version of iTunes installed on your computer.

Check your network settings

Your network connection may be the reason you are unable to connect. Try to make sure you are connected to the correct Wi-Fi network or check if your router is working. You can reset your router if necessary.

Make sure your proxy or VPN isn't causing problems for you

As mentioned in the iOS and Mac troubleshooting steps above, VPN servers and proxy servers can cause problems connecting to certain servers. Try disabling them and try connecting to the iTunes Store again.

Check your antivirus software

Some antivirus software may flag iTunes as a third-party unsafe program, and may block its Internet access privileges. Since antivirus software is common on Windows, this is a great place to check.

Check Apple Server Status

Just like Mac users, Windows users can visit the Apple Server Status web page to see if any of its services are going down when they try to connect.

iTunes and App Store connection errors can occur at the most awkward moment when you are trying to download new game or update the application, it always causes pain and agony. Fortunately, this problem is completely solvable; there are many ways to find the cause of its occurrence and effectively eliminate it.

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