How to Restore an iPhone With Error 23

Written by dustin thornton
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The iPhone is a powerful smart phone produced by Apple that can function as a mobile phone, data transfer device and MP3 player. Occasionally you might need to restore your iPhone to fix certain problems you are having. During restoration, you might receive an error code such as "Error 23." This particular error signifies that the iPhone was not able to enter into restore mode. In order to solve this problem, you must manually access DFU (Device Firmware Upgrade) mode before you attempt to restore you iPhone.

Skill level:
Moderately Easy

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Instructions

    Enter DFU Mode

  1. 1

    Connect your iPhone to your computer using the 30-pin USB connector cable.

  2. 2

    Switch off the iPhone using the "Power" button.

  3. 3

    Press and hold the "Home" button and "Power" button simultaneously on the iPhone for 10 seconds.

  4. 4

    Release the "Power" button and continue pressing the "Home" button until your computer recognises the iPhone as a standard USB device.

  5. 5

    Restore the iPhone like you normally would.

    Normal iPhone Restore Procedure

  1. 1

    Connect your iPhone to your computer using the 30-pin USB connector cable.

  2. 2

    Open iTunes and highlight your iPhone device in the left column and click the "Summary" tab in the main iTunes window.

  3. 3

    Click "Restore" and select "Back Up" to save your music before the restore. Follow the on-screen prompts to back up your songs. Note that you can click "Don't Back Up," but you will lose any songs that you do not have saved on your computer.

  4. 4

    Click "Restore" and allow the firmware to reset in your iPhone. Click "OK" when finished. The "Set Up Your iPhone" screen will appear. Note that you should not disconnect your iPhone from your computer until the "Connect to iTunes" message on the iPhone disappears or the "iPhone is activated" message appears on the iPhone.

  5. 5

    Restore your iPhone songs by clicking the option next to "Restore form the backup of" in iTunes and choosing an iPhone backup date. Click "Continue."

Tips and warnings

  • If holding the "Home" and "Power" buttons simultaneously for 10 seconds does not successfully place the device in DFU mode, lower the time you hold both buttons down to nine seconds.
  • You can recognise DFU mode because there is nothing on the display screen while the iPhone is in this mode.
  • Backup your data before you attempt to restore the iPhone, otherwise you will lose it.

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