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What to expect when upgrading to iOS 8

Apple's new operating system for the iPhone and iPad includes changes to notifications, messages, shortcuts and Siri. Before downloading the update, you'll need to clear some space. Also, Facebook makes it easier to tidy up your app settings.

Apple's iOS 8 will be available to download on Wednesday. But before you update your iPhone or iPad , be sure to watch CNET Update for an overview of what to expect and how to prep by backing up files and clearing storage space:

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This is also a good time to clean up your Facebook settings. Facebook updated its app settings page to easily review which programs have access to your data.

CNET Update delivers the tech news you need in under three minutes. Watch Bridget Carey every afternoon for a breakdown of the big stories, hot devices, new apps, and what's ahead. Subscribe to the podcast via the links below.


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What to expect when upgrading to iOS 8