How to Repair Error 23 on an iPhone

Written by darby stevenson
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How to Repair Error 23 on an iPhone
The iPhone has made Apple a major player in the cellphone market. (Jupiterimages/Photos.com/Getty Images)

Apple's iPhone uses the same operating system as the company's iPad and iPod Touch devices. The common way of interfacing an iPhone with a computer is via iTunes. It's usually seamless, but sometimes troubles can arise. Error messages, including Error 23, indicate that the iPhone is not functioning properly. To repair your phone, you will need to restart it in DFU (Device Firmware Update) mode, and then backup and restore the phone data.

Skill level:
Moderately Easy

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Instructions

    Enter DFU Mode

  1. 1

    Open iTunes. Connect the iPhone to your computer using the USB cable.

  2. 2

    Press the "Home" button (on the front of the phone) and the "Sleep/Wake" button (on the top-right edge of the phone) simultaneously. Hold the buttons down for 10 seconds.

  3. 3

    Stop pressing "Sleep/Wake" but keep holding "Home." A window will appear in iTunes saying, "iTunes has detected an iPhone in recovery mode." Press the "OK" button in the window. The iPhone screen will be blank.

    Backup and Restore

  1. 1

    Select the iPhone in the left column of iTunes, under the "Devices" heading.

  2. 2

    Right-click on "iPhone," or click on it while simultaneously pressing the "Control" key on your keyboard.

  3. 3

    Select the "Back Up" option from the pop-up menu. Wait for iTunes to inform you that the iPhone has been fully backed up.

  4. 4

    Right-click or command-click the iPhone from the "Devices" menu again. Select "Restore from Backup" in the pop-up menu. Once the restoration is finished, your iPhone should be fully repaired from the Error 23, with your information and settings intact.

Tips and warnings

  • You may need more than one attempt to successfully get your iPhone to enter DFU mode.

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