Itunes error 3503 while updating. IPhone errors, malfunctions and solutions

  1. Iphone freezes, what to do?
  2. Why won't the iPhone turn on?
  3. IPhone Errors and How to Solve Them
  4. ITunes Errors
  5. An unknown iPhone error has occurred
  6. Failed to recover iPhone error

Sometimes Apple smartphone users have various problems and various unpleasant situations. Iphone does not turn on, freezes or gives errors when connecting to iTunes. How and why does this happen? There are a lot of reasons - errors in the firmware, or problems with the loop, various malfunctions in the program, and another reason may be physical damage or moisture. In general, anything can get lost, and this becomes a big problem if you urgently need to make a call, access the Internet, or use other functions of the iPhone.

Iphone freezes, what to do?

There are two solutions to this problem: a banal reboot and a hard reset - restore the iPhone through iTunes.

Recovery should be done only if the iPhone did not respond to the first attempt to overload it.

Restarting the iPhone is very simple, we find the Power button and the Home button on the phone, hold down both buttons and hold for about 10 seconds, until the phone goes out. Then we turn on the iPhone and see the result.

It is important, before doing the recovery, do not forget to save all the data and information, otherwise after the reset you will lose everything irretrievably! You can also do differently - hold down the "Power" and "Home" buttons for 3-4 seconds. and turn on the iPhone exactly at the moment when the display goes out.

In the event that the restart did not lead to anything, connect the iPhone to iTunes. Now you need to wait until the program detects your iPhone, click on the iPhone icon on the top of the toolbar and then on the "Restore iPhone" button below.


Now you know what to do if Iphone freezes and how to hard reset iPhone.

Why won't the iPhone turn on?

This question is relevant for all iPhone owners. Today, all new smartphones, gadgets and other high-tech devices, and especially mobile equipment, sometimes fail. This may be due to various factors.

So what to do if iPhone won't turn on. Initially, you need to make sure that the phone battery is charged. If the screen does not light up within 10-15 minutes, try to reboot as described above. The screen lit up, and you saw the logo, then everything is in order, if not, we are taking the iPhone to the service center.

Let's take a look at the reasons why our phone might stop working.

If shortly before the incident you had active contact with water - a rainstorm, stay near a reservoir, then you can even be sure that water droplets that got inside caused the phone to malfunction. To do this, you need to quickly disassemble the iPhone into parts that can be disassembled, including removing the battery. Gently wipe all this and leave on the surface for a day to dry the moisture. After that, you may not need to go to the workshop.

Also, the reasons for the malfunction of the iPhone can be:

  • internal short circuit caused by overheating and vice versa;
  • mechanical damage, in particular falls, to which not only the display and the touch system, but even the motherboard are sensitive;
  • failure of the battery or power controller;
  • violation of interactions within the food chain;
  • software failure;
  • manufacturing defects.

IPhone Errors and How to Solve Them


IPhone owners sometimes face errors popping up on the computer screen when connecting the phone to iTunes. This is very frightening for many users, especially if they have recently purchased an iPhone and have no experience with such gadgets at all. But since the error is assigned a number, we understand that there is a solution to such a problem and you can figure it out yourself without contacting specialists. So how dangerous are these 4005, 4013 and 4014 and how to get rid of them.

Cord and iTunes icon on iPhone screen

Often iPhone users will see an image of a USB cable and an iTunes icon on the screen when they try to update the firmware to a newer one.

Don't panic prematurely and take your phone to the workshop, it's just that your iPhone is in Recovery Mode. Also, Cable and iTunes, besides “Recovery Mode”, may mean “Recovery Loop”, which is different from Recovery Mode.

In order to understand and determine what mode your iPhone is in, displaying a USB cable and iTunes, we will write down the results of research acquired as a result of the operation of these mobile Apple devices.

Recovery Mode

The iPhone is entered into the usual recovery mode with the help of simple steps. Before putting your device into Recovery Mode, take an original or certified USB cable and just connect it to your computer (iPhone is not connected yet). Our iPhone must be turned off, hold down the "Power" button until the display goes out. After the iPhone has turned off, we enter it into recovery mode.

Clamp the bottom Home button and hold it. Then we connect the USB cable to the iPhone while continuing to hold the Home button. The Apple iPhone will start to boot and after the iTunes logo and cable appear, the Home button can be released.

If, after these simple manipulations, a cable icon appears on the phone screen and iTunes means Recovery Mode is running. You can now launch iTunes on your computer and update or restore your iPhone.

Loop mode (Recovery Loop)

It happens that after a forced restart, the iPhone keeps loading a black screen over and over again, which depicts a cord and iTunes. This means that the iPhone is in Loop mode. ITunes is the reason your iPhone is in this mode. There are various reasons, for example, you may have seen a message from iTunes about, the reason for this may be that your security software prevents the iPhone from connecting to the Apple update server or something is blocking the download of the firmware. Recovery Loop may occur as a result of software, hardware or consumer failure (accidentally pulled out the cable).

To get out of the loop and return the iPhone to a working state without losing information, you need to use the program TinyUmbrella, some users have difficulties with TinyUmbrella, in which case it is necessary to use the program RedSn0w... There are also other programs to exit the Recovery Loop - iReb and RecBoot.

There are times when iPhone users can't get their phone out of Recovery Loop using the above programs and after rebooting we see the USB cable and the iTunes logo on the screen again. In this case, you will not be able to save all the information on the iPhone, but it is good if you made a backup before.

If you catch the recovery loop, then all you have to do is connect your iPhone to iTunes and try to install iOS. Sometimes it is impossible to flash the iPhone in this mode, then it is put into DFU mode and again they try to flash it (DFU mode, Device Firmware Update is the device firmware update mode. Refers to emergency modes and is recognized by iTunes when the iPhone or iPad is connected to the computer using USB cable as recovery mode). As a result, the iPhone firmware erases all information, and we restore it from the backup made earlier.

When does the error pop up?


Often errors 4005, 4013 and 4014 bother us when we sync iPhone with iTunes on PC. First, you need to calm down. Our iPhone and iTunes software are developed by one company - Apple, and this means that the disruption in the smartphone's performance cannot be significant. Apple has very smart people and they know their stuff. Be that as it may, no one is immune from this kind of errors and we are also talking about IT technologies, and not about some primitive mechanism. IT technologies are a collection of many knowledge that is materialized in one small device, so it is very difficult to achieve its flawless performance.

These errors - 4005, 4013, 4014 - are the result of a conflict between the computer and the iPhone. In other words, the appearance of a conflict situation can almost be a regularity and it is almost impossible to find an iPhone that would work without glitches!

How are problems solved?

Apple support gives the exact algorithm of actions if suddenly you saw a pop-up window on your PC - an iTunes error with a specific number.

Let's start by making sure you have the latest version of iTunes installed. Since each new update carries something new and may not always work correctly on the old version. In the event that you have the latest version of iTunes installed, then a restart is required. During the reboot, the RAM is restored or completely cleared. After that, you need to make sure that the latest updates are available on your computer. And most importantly: updates must be obtained from an official supplier. Try changing the USB cable. Update errors are sometimes caused by the bandwidth of the USB cable. Even a device as simple as an iPhone USB cable can interfere with your work. Of course, in our case everything is different and it is better to take another cable. If the errors appear again, then try connecting the iPhone to another PC and doing all the steps again. If errors continue to pop up, then try to perform repeated actions, but on a different computer. Try changing the iPhone battery. As strange as it may sound, I didn’t want to find meaning in this action - and such advice is often found on the net. But the most interesting thing is that, according to the specialized forums, replacing the battery helped a lot. And finally, try to restore your iPhone in the so-called DFU mode. To do this, hold down the "Home" and "Power" buttons for 10 seconds, and then only "Home" and also for 10 seconds.

ITunes Errors

Have you ever encountered these annoying iTunes errors that are far from easy to find a solution to? Thanks to this list of answers, you can easily solve all your iPhone and iTunes related issues.

Error 0x666D743F

Cause of occurrence:

  • There is a file conflict during startup. Appears to Windows users
  • You need to go to the "Control Panel" on your computer, then start the "QuickTime" settings and activate "Save Mode" in the "Audio" tab.

Errors 0xE8000001,0xE8000050

Cause of occurrence:

  • iTunes cannot install the required applications on your iPhone.
  • Try updating iTunes to the latest version.
  • Often, this error appears when trying to install hacked applications. If an error is the reason for this, you need to make a "Jailbrake" of the iPhone.

Error 0xE8008001

Cause of occurrence:

  • Some apps have the wrong digital signature (the app has been hacked).
  • To install jailbroken applications, you need to jailbreak your iPhone and then install "AppSync" (a patch for the mobile device installation system that allows you to install jailbroken applications both through Installous and using iTunes from a desktop PC) from Cydia.

Error 0xE8000013

Cause of occurrence:

  • A simple synchronization error, sometimes it pops up for everyone.
  • Synchronize your smartphone again, reboot if necessary.

Error 0xE8000065

Cause of occurrence:

  • There is a problem with the operating system or with iTunes.
  • Restarting the PC and changing the USB port will help. If after that the error pops up again, you need to reflash the iPhone.

Error 1

Cause of occurrence:

  • This error can appear if you decide to flash your iPhone with an unsuitable firmware version!
  • Make sure this firmware is compatible with your iPhone. If you are sure it is up to date, then just update iTunes to the latest version.

Error 2

Cause of occurrence:

  • This error is very rare, because it appears when flashing iPhones of previous generations to an unofficial firmware with hacking and an ASR patch.
  • Find a different firmware.

Errors 6, 10

Cause of occurrence:

  • This error occurs when installing an unofficial firmware with boot recovery logos different from the standard ones.
  • Reflash the iPhone using a different unofficial firmware without custom boot recovery logos, or use a verified custom (unofficial) firmware.

Error 9

Cause of occurrence:

  • Kernel Panic - This error is similar to the "blue screen of death" in Windows computers. It means that there was a failure in the kernel of the iOS system.
  • Practically does not occur when using standard firmware. If you are using unofficial firmware, then you need to look for a new one.

Error 10

Cause of occurrence:

  • May appear when using unofficial firmware. If you encounter such an error, it means that there is no LLB (Low Level Bootloader) in it, which is responsible for booting the system.
  • Download new custom firmware.

Error 11

Cause of occurrence:

  • There is no BBFW in the firmware.
  • Download the firmware again from the official source or use the archiver and add the missing file to the firmware container.

Error 13

Cause of occurrence:

  • This error occurs when using a damaged USB cable or an inoperative USB socket.
  • Find another USB cable. If the error persists, then you need to reinstall the system or use another computer.

Error 14

Cause of occurrence:

  • This problem appeared due to an unsuccessful attempt to jailbreak, or a damaged USB socket.
  • Try replacing the USB connector, if it does not help, then you need to reflash the iPhone.

Error 17

Cause of occurrence:

  • Such an error can occur when updating an unofficial firmware to another.
  • In order to update the custom firmware to a new one, you need to use the recovery mode and flash it using the DFU mode.

Error 20

Cause of occurrence:

  • Can't flash iPhone due to its in recovery mode
  • You need to put your iPhone in DFU mode.

Error 21

Cause of occurrence:

  • IPSW signature verification mode is not disabled (stands for “iPhone Software.” Files with the .ipsw extension are an archive with components of the iOS mobile operating system, prepared for installation on an iPhone, iPad or iPod touch, every time the device is updated, iTunes downloads from servers Apple's new IPSW, files are used by users to learn how iOS works on the iPhone, as well as for jailbreak and unlocking), may appear when using unofficial firmware.
  • When this error appears, you need to install custom firmware using PWNed DFU. In this case, it is recommended to create custom firmware using PWNageTool (program for creating firmware)

Error 23

Cause of occurrence:

  • Most likely the problem is with the "hardware" component of your iPhone. You can determine if the smartphone does not detect the IMEI or Mac address.
  • Unfortunately, only a service center will help in such a situation.

Error 26

Cause of occurrence:

  • NOR is not suitable for this firmware version.
  • Just download another firmware file from a trusted source.

Errors 27, 29

Cause of occurrence:

  • It may appear only on older versions of iTunes 8-9.1 in Windows.
  • Update iTunes to the latest up-to-date version.

Error 28

Cause of occurrence:

  • Most likely the problem is with the iPhone's 30-pin connector.
  • This error can only be solved by going to the service center.

Error 35

Cause of occurrence:

  • This error is specific to Mac OS X and occurs due to incorrect access rights to the folder with the iTunes library.
  • You need to launch the Terminal application, enter your own, and then enter the code - sudo chmod -R 700 Users Music iTunes iTunes Media.

Error 37

Cause of occurrence:

  • Occurs when using an unofficial firmware (if there is LLB in the custom from another gadget)
  • You need to create a new custom firmware using the correct LLB.

Error 39

Cause of occurrence:

  • This error occurs when there are problems with the photo album or with access to the Internet.
  • Create a new photo album, also update iTunes to the latest version, and disable firewalls and antiviruses on your computer.

Error 54

Cause of occurrence:

  • Occurs when it is impossible to copy an application from the phone. Often appears when copying cracked applications or copying licensed applications to a computer that is authorized in iTunes
  • First, you need to authorize your computer in the iTunes Store. To do this, open the "Store" tab then "Authorize Computer".
  • If it did not help, then you need to go to the tabs "Settings" "Synchronization" "Reset sync history", then delete the folder located at C: Documents and Settings / All Users / Application Data / Apple Computer / iTunesSC / Info. After that, authorize the computer again.
  • And one more solution. You need to go to the folder with the media library, then move the "Music" folder to another location. Synchronize your iPhone with iTunes, then return the "Music" folder to its original location and sync again.

And the hardest way. For advanced users only:

  • Open Cydia and load SwapTunes. This tweak allows you to sync your iPhone with multiple media libraries;
  • Launch SwapTunes;
  • Open iFile and go to var / mobile / media /;
  • Find the iTunes_Contrlol2 folder and remove the number 2 from the name;
  • The iTunes Control folder should only be deleted after a new folder has been created;
  • Now you can uninstall SwapTunes and sync your phone with iTunes.

Errors 306, 10054

Cause of occurrence:

  • There are problems with internet access.
  • Disable all proxies, disable firewalls, firewalls and antiviruses.

Error 414

Cause of occurrence:

  • The content you are trying to download is 17+
  • You need to change the year of birth in your Account Information.

Errors 10 **

Cause of occurrence:

  • Such errors can occur when flashing to an older version (downgrade) or updating an inappropriate version to the modem.
  • You need to download and run TinyUmbrella, then click on the "Kick Device Out of Recovery" button.

Error 1008

Cause of occurrence:

  • iTunes cannot recognize characters entered in the Apple ID. May occur due to incorrect system encoding.
  • Open the tabs "Store" "View my account".
  • If everything is entered and displayed correctly in the window that opens, then click "Store" "Exit".
  • Now we need to switch the system encoding to UTF-8 or Win5112, after which we can log into the account again.

Error 1015

Cause of occurrence:

  • Problem while checking the firmware file.
  • This problem often appears when trying to flash a smartphone to an old firmware version. Remember that for downgrade you need to use the saved SHSH, if you have not saved them, you can forget about downgrade.
  • It can also occur due to blocking of Apple servers by the system, in order to solve this it is necessary to erase all information about Apple servers from the host file, which can be found at C: / Windows / System32 / drivers / etc / hosts (Windows)
    etc / hosts (Mac OS X).

The code looks like this:

  • 74.208.105.171 gs.apple.com

Errors 14 **

Cause of occurrence:

  • Most likely, you have downloaded a damaged firmware file or you have a faulty USB socket.
  • Download a different firmware and try a different USB port.

Errors 16 **

Cause of occurrence:

  • The system for checking firmware files is not disabled.
  • It is recommended to jailbreak your iPhone. If you want to install unofficial firmware from iOS 4/5, then when this error occurs, you need to use PWNed DFU.

Errors 1600, 1611

Cause of occurrence:

  • The unofficial firmware you are trying to install on the iPhone is not compatible with DFU mode.
  • You can use "Recovery Mode", it didn't help - download a different firmware.

Error 1619

Cause of occurrence:

  • The iTunes version is not compatible with your iPhone.

Solution: update iTunes.

Error 1644
Cause of occurrence:

  • There was a problem reading the firmware files.
  • This error occurs very often. Make sure no applications are using the firmware file. In the event that the error continues to pop up, restart your computer.

Errors 20 **

Cause of occurrence:

  • There is a problem with your computer's cable or USB port.
  • Take a different cable or use a different USB connector. If the error persists, use another computer.

Error 2005

Cause of occurrence:

  • Occurs when the iPhone is damaged. iTunes cannot confirm the request from the phone.
  • Hike to the service center!

Errors 3000, 3999

Cause of occurrence:

  • There is a problem trying to reach the Apple server.
  • Make sure ports # 80 and # 443 are open on your computer. If you have antivirus or firewall enabled, then add the gs.apple.com address to the trusted (exceptions)

Errors 3001, 5103, -42110

Cause of occurrence:

  • iTunes cannot download video files, hash problems.
  • Update iTunes and QuickTime to the latest version.
  • If the problem persists, delete the SC Info folder located at the addresses:

C: / Documents and Settings / All Users / Application Data / Apple Computer / iTunes (Windows XP, 7)
C: / Program Data / Apple Computer / iTunes (Windows)
users / Shared / SC Info (Mac OS)

Errors 3002 and 3194

Cause of occurrence:

  • Problem accessing the gs.apple.com server. The reasons for this are: the changed Hosts file, as well as the lack of saved SHSH, which are needed to perform downgrade. It is possible that Apple's servers are simply overloaded at the moment and you need to try again later.
  • When downgrading the firmware, make sure that you have saved SHSHs, if they are missing, then just forget about downgrading and afterwards always save SHSH using TinyUmbrella. Important - SHSH are unique and it is not possible to download them from the Internet.
  • Also note that the error can occur when flashing to the official version of iOS, make sure you are flashing to the current version of iOS.

Error 3004

Cause of occurrence:

  • Your computer does not have network access.
  • Connect your computer to the internet. If the error persists, then turn off firewalls and antiviruses.

Error 5002

Cause of occurrence:

  • There was a problem with the payment.
  • You need to remove your credit card information from Account Billing Information, then download any free application and add your credit card again.

Errors 8008, -50, -5000, -42023

Cause of occurrence:

  • iTunes cannot write the downloaded file to disk.
  • The following folders must be deleted:

Mac OS X: ~ Music iTunes iTunes Media Downloads

Windows XP: C: / Documents and Settings / Username / My Documents / My Music / iTunes / iTunes / MediaDownloads

Windows Vista: C: / Users / Username / Music / iTunes / iTunes / MediaDownloads

Windows 7: / C: Users / Username / My Music / iTunes / iTunes / MediaDownloads

  • Now go to the Store tabs Check Available Downloads.

Error 8248

Cause of occurrence:

  • This is a rather rare error, which is caused by a conflict in the Memonitor.exe process, which can be launched by applications such as Sprint Music Manager. Occurs only on Windows.
  • Open Task Manager and terminate the Memonitor.exe process, then remove any applications that might be running it.

Error 9006

Cause of occurrence:

  • The error occurs when there is a problem during the firmware upload to iTunes. There is a possibility that the download was blocked by antivirus or firewall.
  • You need to update iTunes and then disable all antiviruses and firewalls.
  • You need to download the firmware from the Apple website or from verified sites. After that, to flash it, you need to press Shift + "Update" for Windows, Alt + "Update" for Mac OS X and select the downloaded firmware file in the iTunes window that opens.
  • You can also update in automatic mode without manually selecting the firmware, for this, copy the downloaded firmware file to the addresses:

(Windows XP): C: / Documents and Settings / Username / Application Data / Apple Computer / iTunes / iPhone / Software Updates

(Vista and Windows 7): C: / Users / Username / AppData / Roaming / Apple Computer / iTunes / iPhone / Software Updates

(Mac OS): user / lybrary / itunes / iphone / sofware update

  • If you did everything correctly and did not rename the firmware file, then iTunes uses the firmware you downloaded and will not download it from the Apple server.

Error 9807

Cause of occurrence:

  • An issue was detected while connecting to the server to verify certificates as well as firmware signatures.
  • Since the error pops up if various antiviruses and firewalls are running, then you just need to open access for such addresses: evintl-ocsp.verisign.com and evsecure-ocsp.verisign.com

Error 9808

Cause of occurrence:

  • There was a problem logging into the iTunes Store.
  • You need to go to the following iTunes tabs: "Start" - "Control Panel" - "Internet Options" - "Advanced" and check the boxes SSL 3.0 and TLS 1.0. Reboot the system for the changes to take effect.

Error 9813

Cause of occurrence:

  • iTunes has discovered a problem with key files called Keychain. This file is the root keys that are used in some applications. May only pop up on Mac OS X.
  • Clear the cache of the Safari browser, and then copy the files “X509Anchors SystemRootCertificates.keychain” and “SystemCACertificates.keychain” to the address: System / Library / Keychains X509Anchors. Such key files can be copied from any Mac with a similar operating system version.

Error 13001

Cause of occurrence:

  • The iTunes library file appears to have been damaged. Often, this error can pop up for those who use an external drive to store a library file.
  • You need to create a new iTunes library file, delete the corrupted iTunes Library.itl file located in the iTunes folder. Now you need to launch iTunes and the library file should appear by itself.

Errors 13014, 13136, 13213

Cause of occurrence:

  • Problems with iTunes.
  • Try restarting your computer.
  • Close iTunes and turn off your antivirus software and firewall. Launch iTunes and sync again.
  • You need to disable Genius, which is located in the sidebar of iTunes (open the "View" tab - "Hide Genius Sidebar").
  • Download the latest iTunes and install.

Error 13019

Cause of occurrence:

  • ITunes library problem.
  • Try to find out when syncing what content the error pops up. Once you find this, cancel the sync of this content and sync the iPhone over again. If the synchronization was successful, you can try to include problematic content in the synchronization.
  • Go to the folder where the iTunes library file is located. By default, it is located at "My Music" - "iTunes", then move the iTunes Library file to a different location (do not delete it!) And try to sync. If the error does not appear, move the iTunes Library file back.

Error -39

Cause of occurrence:

  • I can't download purchased music from the iTunes Store.
  • Download the latest iTunes and QuickTime from Apple's official website.
  • Turn off all Web Accelerators, then restart your computer.

Error -50

Cause of occurrence:

  • The error pops up due to the lack of connection to Apple servers. Apparently, access to servers can be denied by antivirus or firewall.
  • Turn off your antivirus and firewall. Open the itunes.apple.com and ax.itunes.apple.com servers.
  • The error can occur when uploading video files. Clear your video download cache, which can be found at:

Windows XP - C: / Documents and Settings / User name / My Documents / My Music / iTunes / iTunes / Music Downloads.

Windows Vista - C: / Users / username / Music / iTunes / iTunes / Music Downloads.

Mac - HomeDirectory / Music / iTunes / iTunes / Music Downloads

  • In these folders you need to find the problem video file that will have the TEMP extension (* .tmp). In order to see extensions, you need to enable the ability to view them in the folder properties. After you delete this file, just start downloading the video file again.

Error -3221

Cause of occurrence:

  • iTunes cannot reach the iTunes Store servers, most likely the problem is file blocking.
  • You need to change the access rights to all iTunes files, as well as iTunes Helper, allowing these files to transfer data to other servers.

Error -3259

Cause of occurrence:

  • Problem connecting to Apple servers.
  • You need to log out and log into your iTunes Store account, if the error persists, download and install the latest version of iTunes, and you also need to clear the list of active downloads in iTunes.
  • We go into start and open the system utility "Run", in which you must enter "msconfig". In the window that opens, you need to check if iTunes and QuickTime are in the autorun list. We also check if there are services "AppleMobileDevice" and "Service iPod". If necessary, set up their autorun, and then restart the computer.
  • Disable your antivirus and firewall.

Errors -9800, -9812, -9815, -9814

Cause of occurrence:

  • Errors occur if the system time is different from the time in the iTunes Store.
  • Set the current time in the system. We recommend that you synchronize the date and time with Apple servers.

Now you know how to fix iPhone and iTunes errors. Dear iРhone owners, if you yourself could not solve the problem that bothers your iPhone, write to us by e-mail [email protected]website or online chat and our specialists will be able to help you.

When restoring an iPhone, iTunes sometimes gives an unknown error with a number, without fixing which it is impossible to continue working with a mobile device. Troubleshooting methods vary depending on the fault number that caused the iPhone to fail.

Error classification

Apple Support divides crashes by number into several categories on a special page on the site. However, you will not find some codes. For example, there is no number 52 on the support page, because iTunes does not crash with such a code. Error 47 is also not listed, although some users complain that due to a failure with such a number, they cannot restore their iPhone.

If you are experiencing Issue 47, there may be several reasons for it:

  1. Breakage of the modem part microcircuit.
  2. Failure of the modem processor.
  3. Liquid penetration into the modem part.

As you can see, error 47 is related to a hardware problem. Therefore, if you encounter Fault 47 while restoring iPhone, take your mobile device to a service center. Even the master does not immediately determine the exact reasonthe appearance of a problem with number 47, so it is better not to risk it trying to repair it yourself.

Communication errors (1671, 3004, 3014, 3194)

If iTunes displays a message with the numbers 1671, 3004, 3014, 3194, or 9006 when restoring your iPhone, then you are dealing with problems that prevent your computer from establishing a connection with the Apple server or mobile device. If you encounter problems 3004, 3014, 3194, 9006, try restarting your computer first. If that doesn't work, close apps that are running in the background, leaving only iTunes. Disable your firewall and antivirus. Since failures with numbers 3004, 3014 3194, 9006 occur due to the inability to establish a connection to the server, disabling the firewall will help remove the protective shield.

If these methods do not help to get rid of errors 3004, 3014 3194, 9006, then try the following methods:


An extra entry will end with gs.apple.com. If you find one, remove it immediately and save the hosts file. After editing hosts, error messages 3004, 3014, 3194, 9006 should no longer appear when restoring iPhone. If problems with numbers 3004, 3014 3194, 9006 appear when restoring iPhone on a Mac computer, then open hosts through the terminal using the command "sudo nano / private / etc / hosts".

If iTunes gives error 3194, when the recovery line is 2/3 full, then with a high degree of probability you are faced with a hardware problem - damaged modem or iPhone power module.

If the device cannot be restored due to problems with the modem, please contact the service center for assistance, as you will not be able to fix the problem yourself.

Errors 14 and 4005

IPhone recovery crashes with numbers 14 and 4005 usually occur when problems are detected with the USB device connection. Error 14 indicates that during the restore process iTunes detected a violation of the integrity of the firmware file. Fault 4005 usually indicates that there is some kind of cable or port problem on the computer.

To fix error 14 or 4005:

  • Use the original iPhone cable.
  • Connect the device to a different port. Try to use the connectors that are located on the back of the system unit, then you will give less chance of errors like 14 and 4005.
  • Connect iPhone to another computer.

If error 14 or 4005 persists, try putting your phone into DFU mode before restoring. If this does not fix crash 14 or 4005, download the firmware manually and select the desired ipsw file by holding down the Shift key while pressing the Restore button.

Errors with numbers 14 and 4005 appear when trying to update the firmware by jumping through the version (for example, from iOS 7 directly to iOS 9). Please select the correct firmware version to avoid issue 14 or 4005.

Error 21

Failure number 21 occurs when the device is not entered into DFU mode. To eliminate the cause of error 21, use programs like redsn0w to transfer the phone to DFU.

Especially often the owners of iPhones, on which the jailbreak procedure was carried out, encounter failure 21. In addition, failure 21 can occur due to the fact that the battery is not fully charged. Accordingly, in order to fix the problem with number 21, you need to put the smartphone on charge.

Quality product! Super sleek and reliable! Your iPhone. Since its launch in June 2007, every new iPhone has brought a positive impact on the quality of the brand. The iPhone proves nothing is perfect and your precious device could be killed by Error 3014 in iTunes (Unknown Error 3014/3194/4013/14/3004).

Apple tends to update iOS frequently. For several weeks, sometimes days, a new iOS update comes out. But, when you already started updating your iPhone, something went wrong and error 3014 occurs. When your computer tries to connect to Apple servers, an error occurs.

Why did it happen?

Error 3014 in iTunes usually occurs when a restore or update goes wrong. This happens most often during an update. Directly, let's say, "DO NOT panic." This annoying error 3014 can be easily removed. Here are seven solutions you can try.

How to fix error 3014 in iTunes?

Solution 1. Correct the "hosts" file

This is a bit tricky for an inexperienced user, but we will provide a step by step guide. If you haven't done something like this before, be sure to do a restore point on your system.

Step 1 Open Notepad. Then "Create and open a file" and navigate to the path "C: \\ Windows \\ System32 \\ drivers \\ etc". (You can just paste this path).

Find the "hosts" file.

You should see the "hosts" file, but there are two of them, so which one to open? You need to open the first file using notepad.

Right-click on the desired file, and select open with, then select notepad.

When it opens, it should look something like this:

Don't change anything

Step 2 You need to add a line to the end of the hosts file.

74.208.10.249 gs.apple.com

Save the HOSTS file and then try this: open your browser and go to the page If you did this step correctly, it will take you to the Cydia website.

Step 3 (Follow this step only if your site is not displayed. Otherwise, go back to step 2)

Find the following lines in your HOSTS file and remove them:

74.208.10.249 gs.apple.com

127.0.0.1 gs.apple.com

Once you've finished removing those lines, save the hosts file, open your browser and go to the page It should redirect you to the Apple website.

After you follow these simple steps, open iTunes and proceed with the recovery process, it should finish without error 3014.

Solution 2. Update iTunes

It's very simple. If you are not sure, just check the iTunes version, which will let you know that you have the latest version of iTunes installed on your computer. This is pretty obvious, but it’s best to make sure you have the latest version.

You may have seen similar things with other software. In the Help menu, you can request "updates" for verification.

Solution 3. Check your PC settings

Remember, this is the connection between your computer and Apple servers? It may sound silly, but the reason for the error 3014 may be that your computer and Apple cannot establish connections due to time. Make sure the date, time, time zone are correct.

Synchronize the time!

Hope the picture helps!

Solution 4. Update your OS

Whether your operating system is a Windows PC or an Apple Mac, you should check that you have the latest updates.

Solution 5: Check your security software.

Many articles have written about the antivirus problem. It blocks the connection in iTunes.

We don't know what antivirus / firewall you have. The example below is for Windows built in firewall. The firewall stops all third party connections. This could be causing the connection to Apple to be disrupted.

Make sure you have the latest antivirus software installed.

Update your antivirus

If you have the latest version of antivirus installed (or you do not have it), then disable both the antivirus and the Windows browser.

Windows "System and Security".

Don't forget to turn it back on!

Solution 6. Are you connected to the Internet?

This can happen if you are connected to public Wi-Fi. You need to make sure your internet connection is stable. Obviously, this is an important factor for a good connection with Apple servers. Make sure nothing else is working so that iTunes can fully use your network.

The 3503 itunes error started to occur on Apple mobile devices from the end of September 2017. A similar nuisance manifests itself when trying to update this application - the equipment enters the "Recovery mode" state, the message "error 3503 iphone" or its equivalent appears on the screen, does not respond to the owner's actions.

Naturally, it is unpleasant when a person who bought himself a smartphone or tablet for a fairly serious amount of money cannot use the planned opportunities and all the rich functionality of such equipment. Therefore, it is necessary to understand - itunes error 3503: how to fix it?

What is needed to correct the situation

Some people who had an unknown error 3503 on their mobile device immediately rushed to write to tech support.

The answer discouraged them, as it represented some form of official reply:

  1. Try to rearrange the SIM card to another model.
  2. Try to connect to a PC, if it doesn't work, find a second computer and try on it.

That is, no real instructions for eliminating this problem were provided, and the developer company suggested waiting an indefinite time period while its specialists figure out the situation.

Naturally, most users of this technique are clearly not satisfied with this answer. Fortunately, a solution exists in a situation where the iPhone could not be restored - error 3503.

To do this, you will need: a problem gadget, a personal computer and an Internet connection.

Effective treatment method

So what to do when an error occurs while restoring iPhone 3503? The first option involves performing the following manipulations:

  1. Go to the Web, search, download and install the 3uTools special application.
  2. After completing the installation process, the program must be updated by clicking on the "Check Update" button.
  3. On the mobile device, simultaneously hold down the shutdown and Home buttons.
  4. Wait for the appearance of the corporate logo, release the shutdown button.
  5. As soon as the picture on the screen changes, remove your finger from the second button.
  6. Points 3,4 and 5 should be carried out with the 3uTools program already running and a connection with a PC.
  7. Using the wedge on the "Flash" button, start downloading and installing the problematic application through this software.
  8. Wait for the completion of the started process. Then follow the recommendations from the updated mobile technology.

Alternatively, you can use several more similar tools, which also imply the active use of a PC and transferring the mobile phone to DFU mode, as described in the previous instruction:

  • Recover iphone (error 3503) with iMyFone iOS

Naturally, this software should initially be found, downloaded and installed. After starting the tool:

  1. Switch to standard mode accessible from the main screen.
  2. Transfer the problematic technique to DFU as described above.
  3. Start the installation of a new firmware - the program will automatically detect the connected mobile phone or tablet.
  4. After completing the installation procedure, click on "Start fixing".

A few minutes will pass and the error message should disappear from the screen.

  1. Fixes funded by ITunes
  2. Once again, switch the connected iPhone to the computer into DFU mode.
  3. Activate the launch of the iTunes application on the PC.
  4. The program will analyze all connections and detect the connected gadget. Choose it.
  5. Go to "Summary" and click on "Restore".

After the automatic restart of mobile equipment, the conflict situation should be eliminated.

For a few other possible solutions, you can try the following:

  1. Make sure your internet connection is reliable.
  2. Update iTunes to the most current version.
  3. Attempt to install a problematic update after disabling the "Find My iPad / iPhone" option.

The last treatment option can be implemented by going to the settings menu, where you must first go to "iCloud", and then move the enabling slider to the inactive state for the required function. After confirming this action, you can try again to start the previously interrupted procedure.

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Iphone error codes part two. Possible Solution

Let's proceed to the second part of our collection of iphone errors and analyze errors from 414 - 20008 and try to find a solution to these iphone errors.

Error 414

You are not allowed to upload content with a rating of 17+ to your device

Solution: Correct the age information in your iTunes account (menu "Store-View my account")

Error 1002

An error occurred while copying the firmware files to the device

Solution: Start the flashing procedure again

Error 1004

Apple servers failed to send SHSH hashes for the device

Solution: Try to flash later

View my account ")

Error 1011, 1012

IPhone / iPad Modem Not Responding

Solution: Try restarting your device. If the error persists, then there may be a hardware problem.

Error 1050

Apple activation servers are unavailable

Solution: Try to activate your device later

Error 1140

Unable to sync photos from iPhoto

Solution: In the context menu of the iPhoto library file, select Show Package Contents and empty the iPod Photo Cache folder

Error 1394

System files corrupted due to unsuccessful jailbreak

Solution: Restore firmware and jailbreak again

Error 1413-1428

Problems with data transfer via USB cable

Solution: Check the integrity of the cable and the health of the USB port

Error 1608

Corrupted iTunes components

Solution: iTunes reinstallation required

Error 1609

ITunes version is too old to work with the device

Solution: Update iTunes to the latest version

Error 2001

Mac OS X drivers block access to the device

Solution: Update Mac OS X to the latest version

Error 2002

ITunes access to the device is blocked by other system processes

Solution: Close all other programs, turn off antivirus, restart your computer

Error 3123

iTunes can't rent videos

Error 3195

Received SHSH hash corrupted

Solution: Try to start flashing again

Error 3200

Required images are missing in custom firmware

Solution: Download another custom firmware or create it yourself again

Error 4000

Conflict with other USB devices

Solution: Try to disconnect all other USB devices from the computer, except for the keyboard, mouse and USB gadget

Errors 4005, 4013

Critical update / restore error

Solution: Try to restore the device in DFU mode (Home + Power for 10 seconds, then Home for another 10 seconds). It is advisable to try a different USB cable.

Error 4014

The firmware file cannot be uploaded to the device

Solution: Try to flash on a different computer and / or with a different cable

Error 20008

Error 0xE800003D

iTunes conflicts with TinyUmbrella utility

Solution: Update TinyUmbrella and restart your computer

Error 0xE800003D

iPhone or iPad cannot access the settings files of the cellular operators

Solution: Correct access rights (if the gadget is jailbroken), delete all custom bundles of operators, in extreme cases restore the firmware

Error 0xE8000065

Error while trying to install custom firmware

Solution: As a rule, an error occurs when working with firmware created in sn0wbreeze. Reboot the computer, try to flash again, in case of failure, create the firmware again

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Iphone error codes part one. Possible Solution

Hello! Often, when performing various operations, the iPhone has unknown errors. We have collected the most common iphone error codes and offer possible solutions for iphone errors

Error 1

This error can appear if you decide to flash your iPhone with an unsuitable firmware version!

Solution: Make sure the firmware is compatible with the iPhone. If you are sure it is up to date, then just update iTunes to the latest version.

Error 2

This error is very rare, because it appears when flashing iPhones of previous generations to an unofficial firmware with hacking and an ASR patch.

Solution: Find a different firmware.

Error 3

Modem reports a fault

Solution: Most likely, only contacting an authorized service center will help

Error 4

iTunes cannot connect to Apple service servers

Solution: Check if third-party programs are blocking access to albert.apple.com, photos.apple.com, or phobos.apple.com servers

Errors 5, 6,

The firmware cannot be installed either because the boot logos are damaged, or because the device is entered into the wrong service mode (for example, the firmware is designed for DFU Mode, and you are trying to recover through Recovery Mode)

Solution: Enter the device in DFU Mode, if it does not help - download another firmware

Errors 6, 10

This error occurs when installing an unofficial firmware with boot recovery logos different from the standard ones.

Solution: Reflash the iPhone using a different unofficial firmware without custom boot recovery logos, or use a verified custom (unofficial) firmware.

Error 8

The firmware matches the iTunes version, but does not match the device (for example, it is for the wrong generation of the device)

Solution: Download the firmware version corresponding to your device model

Error 9

Kernel Panic - This error is similar to the "blue screen of death" in Windows computers. It means that there was a failure in the kernel of the iOS system.

Solution: Almost never occurs when using standard firmware. If you are using unofficial firmware, then you need to look for a new one.

Error 10

May appear when using unofficial firmware. If you encounter such an error, it means that there is no LLB (Low Level Bootloader) in it, which is responsible for booting the system.

Solution: Download new custom firmware.

Error 11

The firmware lacks a number of files needed to download

Solution: Download another custom firmware or rebuild it yourself

Error 13

USB cable or 30-pin problem, or trying to install iOS beta from Windows

Solution: Change the cable or USB port. Disable USB 2.0 in BIOS

Error 14

During the flashing, a violation of the integrity of the firmware file was detected

Solution: Disable your firewall and antivirus, try changing the cable or USB port, try a different firmware

Error 17

Trying to upgrade from one custom firmware to another custom firmware

Solution: Before flashing, enter the device into Recovery Mode or DFU Mode

Error 18

Damaged iOS device media library

Solution: Most likely a flashing will be required

Error 20

Instead of DFU Mode, the device is in Recovery Mode

Solution: Enter the device in DFU Mode

Error 21

DFU mode error when jailbreak

Solution: Enter the device in DFU Mode via Pwnage Tool, sn0wbreeze or redsn0w

Error 23

Solution: If the error is repeated on other firmware, then the problem is of a hardware nature

Error 26

NOR is not suitable for this firmware version.

Solution: Just download another firmware file from a trusted source.

Error 27

Cyclic restore error in iTunes versions 8 and 9b) Attempting to install iOS from iPhone 3GS on iPhone 3G

Solution: Update iTunes to at least version 10

Errors 27, 29

iTunes gets stuck when trying to restore firmware

Solution: Update iTunes to version 10

Error 28

Most likely the problem is with the iPhone's 30-pin connector.

Solution: This error can only be solved by going to the service center.

Error 39

This error occurs when there are problems with the photo album or with access to the Internet.

Solution: Create a new photo album, also update iTunes to the latest version and disable firewalls and antiviruses on your computer.

Error 47

Hardware problem with the U601_RF chip, which stores the IMEI. Additional signs: there is no data in the information "About this device" in the fields "IMEI" and "Modem firmware".

Solution: Take the device to a service center to replace the U601_RF chip.

Error 54

Occurs when it is impossible to copy an application from the phone. Often appears when copying cracked applications or copying licensed applications to a computer that is authorized in iTunes

  • First, you need to authorize your computer in the iTunes Store. To do this, open the "Store" tab then "Authorize Computer"
  • If it did not help, then you need to go to the tabs "Settings" "Synchronization" "Reset sync history", then delete the folder located at C: Documents and Settings / All Users / Application Data / Apple Computer / iTunesSC / Info. After that, authorize the computer again.
  • And one more solution. You need to go to the folder with the media library, then move the "Music" folder to another location. Synchronize your iPhone with iTunes, then return the "Music" folder to its original place and sync again. And the most difficult way. For advanced users only:
  • Open Cydia and load SwapTunes. This tweak allows you to sync your iPhone with multiple media libraries;
  • Launch SwapTunes;
  • Open iFile and go to var / mobile / media /;
  • Find the iTunes_Contrlol2 folder and remove the number 2 from the name;
  • The iTunes Control folder only needs to be deleted after a new folder has been created
  • Now you can uninstall SwapTunes and sync your phone with iTunes.