It is quite common to restore your iPhone or iPad using iTunes, but sometimes things don’t go as planned. If you’re seeing messages like "There was a problem restoring your iPhone" or your device gets stuck in Recovery Mode or DFU Mode, it means your iTunes restore is not working properly.

これはなぜですか iTunes restore error occur, and how can you fix it? Read more to find answers!

Part 1: What Is iTunes Restore Error

The iTunes restore error refers to an error that happens when you try to restore an iPhone, iPad, or iPod to its original or updated iOS state using iTunes software (or Finder in macOS Catalina and later versions).

It occurs during the iOS restore process, either when restoring from a backup or updating the device’s firmware. Depending on the specific error code, it can happen at any stage - beginning, middle, or final.

This error indicates the failure of the recovery process due to errors from iTunes or your devices, such as communication interruptions, firmware verification failure, etc. However, it doesn’t mean your device is permanently damaged. You can read our further illustration to troubleshoot accordingly.

The forms of errors

Typically, you will see an interface similar to the following (in iTunes or Finder):

• A dialog box pops up in iTunes/Finder, indicating There was a problem restoring your iPhone, iTunes could not restore the iPhone because an error occurred, etc.

• The dialog box will contain a specific error code, such as Error 9, Error 4013, Error 14, etc.

• Your device itself may get stuck in リカバリモード (showing a black screen with a USB cable and iTunes icon) or on a black screen in DFUモード (black screen), unable to start normally.

Common iTunes Recovery Error Codes and Their Meanings

Part 2: Common Causes of iTunes Restore Error

1. USB Connection Issues (Most Common)

It is the most common cause of iTunes restore errors. These issues may include:

• A damaged/non-original/not MFi-certified data cable.
• A loose, dirty, or unstable USB port on the computer.
• Using the USB port on the front of the computer case (it is recommended to use the rear USB port directly on the motherboard).

2. Computer Software Issues

iTunes restore errors can also result from software-related problems on the computer, including:

• An outdated iTunes version that is not compatible with your device.
• Your computer‘s operating system (Windows/macOS) needs to be updated.
• Security software like firewalls or antivirus software interferes with the communication between iTunes and the server.
• The hosts file of the computer has been modified.

3. Device Hardware Issues

In some cases, iTunes restore errors also have something to do with hardware problems with the device, including:

• The device was water-damaged or dropped, resulting in internal component damage.
• Physical failure of the storage chip (NAND flash memory), which is more common in older devices.
• Previous unofficial repair and replacement of incompatible components.

4. Network and Server Issues

Network-related problems can also trigger iTunes restore errors, such as:

• An unstable network connection interrupts the firmware download.
• Apple servers are temporarily busy or under maintenance.

5.ソフトウェアの競合

Sometimes, software conflicts can also prevent the restore process from completing successfully, including:

• Modified system files (usually after a jailbreak) make the device incompatible with the official restore process.
• You‘ve downgraded your iPhone to an older version that is no longer verified or signed by Apple.

Part 3: How to Fix iTunes Restore Error

1. USB接続を確認します。

• Try replacing an original or MFi-certified data cable.
• Plug the data cable into the rear USB 2.0 port of your computer (usually the black one).

• Make sure the USB port and the data cable connector are clean and not loose.

2. ソフトウェアを更新します。

• iTunes を最新バージョンにアップデートしてください。
• Update your computer operating system (Windows or macOS) to the latest version.

• Update your computer operating system (Windows or macOS) to the latest version.

Windows：

ステップ 1： クリック お気軽にご連絡ください menu in the bottom-right corner, and choose 設定.

ステップ 2： に行く 更新とセキュリティ、次に以下をクリックします アップデートの確認.

Mac：

ステップ 1： クリック Apple logo in the top-left corner of the screen and select システム設定 （または システム環境設定 (古い macOS バージョンの場合)

ステップ 2： に行く 全般 > ソフトウェアの更新、次に以下をクリックします 今すぐアップデート and follow the prompts to install the latest macOS version.

3. デバイスを再起動します。

Sometimes, you can also try performing a force restart of the device.

iPhone 8 and Later

ステップ 1： すばやく押して放します ボリュームを上げます および ダウン量 buttons one by one.

ステップ 2： 押し続けると、 アップルのロゴが表示されるまでボタンを押します。

iPhone7/7+

ステップ 1： 押し続けると、 ダウン量 と ボタンを同時に押します。

ステップ 2： Appleロゴが表示されたら、両方のボタンを離します。

iPhone6/6+

ステップ 1： 押し続けると、 ホーム ボタンと Side (or Top) ボタンを同時に押します。

ステップ 2： Appleロゴが表示されたら、両方のボタンを離します。

4. Reboot into Recovery Mode/DFU Mode for Restoration:

Instead of directly clicking リストア, manually put the device into Recovery Mode or DFU Mode, and then iTunes will prompt you to proceed with the restoration. This provides a cleaner restoration environment.

5. プロフェッショナルソフトウェアを使用する

If you have tried all the methods above but still failed, you can seek help from professional software like Apeaksoft iOSシステムの回復 to fix iTunes restore errors. It is designed to fix iOS system issues and can help you resolve restore errors easily and quickly.

ステップ 1： Download this software from the button above. Launch the software and choose iOS System Recovery.

ステップ 2： 今すぐ始める タブの システム修復 オプションを選択します。

ステップ 3： クリック お気軽にご連絡ください 続行するにはボタンを押します。

ステップ 4： あなたがクリックすることができます 無料クイックフィックス link to have a quick fix.

ステップ 5： If the iTunes restore error still exists, you need to press the 修復 button and choose a Standard/Advanced Mode to continue.

ステップ 6： Set the corresponding firmware of your device.

ステップ 7： Wait for the software to download the firmware to fix your device.

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