Now playing: Watch this: How to set up and start using Cortana 3:14 While Android and iOS users have had access to powerful voice assistants for quite some time, Windows Phone owners are finally able to join in on the fun. Microsoft introduced its own voice assistant, known as Cortana, as part of the Windows …

Josh Miller/CNET Microsoft released an update to its Windows Phone operating system last month. The Windows Phone 8.1 update is currently available for developers and will roll out to current Windows Phone 8 users over the next few months, although there is a way to manually update your device now. These tips will help you navigate the revamped operating system …

Now playing: Watch this: Get incredible battery life on the Galaxy S5 2:22 Galaxy S5 owners can breathe easy when it comes to battery life. While most Android devices available today have some sort of battery-saving feature, Samsung went above and beyond with its latest flagship device. Here’s how you can get all-day battery life and more on your Galaxy …

Now playing: Watch this: Use the Gear Fit with other Android devices 2:23 Samsung is one of the most ambitious companies in the rapidly expanding wearable market. The company offers three wearable devices: the Gear Fit, the Gear 2, and the Gear 2 Neo. All three devices can track your steps, display notifications from your smartphone, and even measure your …

Now playing: Watch this: Password protect Google Drive, Docs, and Sheets on iOS 1:18 Google this week released standalone apps for its Docs and Sheets services (with Slides coming soon) for Android and iOS. The apps, which were both previously bundled into the company’s Google Drive app, come not long after Microsoft brought its Office productivity suite to the iPhone …

Now playing: Watch this: Choose the right screen mode on the Galaxy S5 2:46 Most smartphone manufacturers don’t give users the option to make adjustments to the screen quality of their devices. While you can change things like brightness, there are no controls for altering the display’s color and contrast. Samsung isn’t like most manufacturers, however. The company is one …

Josh Miller/CNET There has been a lot of talk about Samsung’s latest flagship smartphone. The Galaxy S5 is filled with new and exciting features, which have helped make it one of the hottest products available today. Whether you’re not eligible for an upgrade or simply aren’t interested in the Galaxy S5, there is still a way to get some of …

Josh Miller/CNET Microsoft on Monday released a preview of Windows Phone 8.1 , which delivers a handful of new features to the company’s smartphone operating system. In addition to home screen wallpapers, an extra live tiles column, and a notification center, the update includes Microsoft’s Cortana voice assistant. Here’s how and when you can get Windows Phone 8.1 on your …

Now playing: Watch this: Set up the fingerprint scanner on the Galaxy S5 2:45 Similar to the iPhone 5S , the Galaxy S5 includes a fingerprint scanner located in its home button. Fingerprints can be used to unlock your device, access private content on your phone, verify your identity when purchasing content from Samsung, and even to authorize transactions with …

Now playing: Watch this: Delete Fire TV voice data from Amazon’s servers 1:37 Amazon’s new Fire TV streaming box can stream content from Amazon, Netflix, Hulu Plus, and other services. The $99 device also doubles as a gaming console that is capable of playing dozens of titles, including favorites like The Walking Dead and Minecraft. What really sets it apart …