Nokia today unveiled its latest flagship phone, the Lumia 920, its first to run on Microsoft’s Windows Phone 8 operating system. CEO Stephen Elop showed off a bright yellow Lumia 920, larger than its predecessor, the Lumia 900. Nokia later showed off the smaller and lower end Lumia 820 as well. The phones represent Nokia’s …

commentary You can call it the “Nokia comeback story,” take two. That will likely be the theme again as Nokia and Microsoft host an event in New York on Wednesday to unveil the latest Lumia smartphones, now running on Windows Phone 8. Leaks of the purported phones have already appeared, and CNET will be there to cover the official announcement. …

Now playing: Watch this: Amazon Kindle Fire 2:44 Amazon plans to double down on the 7-inch tablet market with two new Kindle Fire models, CNET has learned. Despite speculation that Amazon was preparing a larger 8.9 or 10-inch version, the company will only unveil a new 7-inch Kindle Fire and a slightly revamped version of the original tablet in an …

Sony bulked up its Vaio lineup with two new entries today: one a large table-top product and the other a convertible device that can toggle between a tablet and a laptop. The hybrid is the Vaio Duo 11, which has a keyboard, but can slide between a laptop design and a tablet-like slate. The second is the Vaio Tap 20, …

Google appears itching to get rid of the television set-top box business it inherited from the acquisition of Motorola Mobility. The Internet search giant has hired Barclays to help it find buyers, according to Bloomberg, which cited anonymous sources and said the home business unit might fetch $2 billion. That Google wants to sell Motorola’s set-top box business and focus …

Google really wants people to take a look at its Nexus 7 tablet. The $199 tablet started popping up on Google’s home page today, a rare instance in which Google is actively promoting one of its own products. It’s similar to the way Amazon’s front page is often dominated by Kindle advertising. That Google would go to such lengths underscores …

ISIS, a joint venture between the wireless carriers to usher in a mobile-payment system, is poised to launch in two trial markets in September. That’s according to Doug Bergeron, CEO of Verifone, which makes the payment terminals that most mobile-payment systems rely on. Bergeron confirmed the month to CNET, although he declined to provide a specific date. Bloomberg earlier reported …

The new school year can be hectic enough. So I figured that I would round up some useful smartphone apps for students trying to survive their first few days back at school. While I assume this column will be read by college students starting a new semester or quarter, I can only imagine younger kids and parents can find some …

LG hopes its next flagship smartphone will get the company back into the handset game after its disappointing run of late. The company released a video today, teasing a smartphone with “the second generation” of quad-core processors, or Qualcomm’s Snapdragon S4 chip with an Adreno 320 graphics processor. The clip, which is in Korean, was first spotted by The Verge. …

Complete coverage: Apple v. Samsung, a battle over billions Samsung Electronics — and possibly Android — may need a complete overhaul if Apple has its way. Today’s jury verdict, in which Apple was awarded $1.05 billion in damages after Samsung was found to have copied several key design elements in the iPhone and iPad, could have a ripple effect in …