How to Change an iPhone's Default Computer

Written by mario calhoun
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During the switch to a new computer, you will also need to change your iPhone's settings since it syncs your contact information, phone settings and music with your iTunes music library. This can be achieved by first backing up your music and restoring the device to its factory settings. Once the iPhone is restored, you can assign your new computer as the default computer.

Skill level:


  1. 1

    Plug your iPhone into your computer. Insert the USB connector cord into the bottom of the iPhone and plug the other end into an available USB slot.

  2. 2

    Open iTunes. Click "Store" at the top of the menu and select "Authorize Computer" from the drop-down menu.

  3. 3

    Type in your Apple ID and password, then click the "Authorize" button.

  4. 4

    Click the iPhone icon located under the "Devices" section in iTunes. Right click the icon and select "Backup" from the pop-up menu.

  5. 5

    Click the "Restore" button in iTunes. iTunes will restore your device back to its original factory settings and sync with your computer's iTunes library.

Tips and warnings

  • Back up your music collection before syncing your iPhone to your new computer, as the sync will erase all information on your phone.

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