iPhone/iPad: Update/Upgrade to iOS 7 From iTunes

How to update your iPhone, iPad, or iPod touch Apple's software updates for iOS 

Update your device using iTunes. 
  1. Load your iTunes Application
  2. Ensure that you're using the latest version of iTunes (you can check this by selecting Help>Check for Updates)
  3. Connect your device to your computer using the included USB cable.
  4. Select your device when it appears in iTunes under Devices.
  5. Click "Check for Update" in the Summary pane to check for available updates. 

     6. If an update is available, iTunes prompts you to download and install the update. Do not disconnect your device until the update has finished.

Note: To update your iOS device, iTunes needs to stay connected to the Internet. If your computer uses your iPhone's Personal Hotspot for its Internet connection, you'll need to update your device wirelessly or connect your computer to another network.

Additional Information 
  • Ensure that your device is backed up to iCloud or back up with iTunes before updating.

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