Features

• Nokia reboots Windows Phone push in the US but success will still be hard-won

  Nokia's is rebooting its U.S. Windows Phone push with the arrival of the low-cost Lumia 521 on T-Mobile and Lumia 928 for Verizon Wireless, but increasing sales to meaningful volumes in the very competitive U.S. market will not be easy.

• New camera war brewing in the smartphone market

  HTC and Nokia are preparing to go head-to-head with new cameras on upcoming smartphones, as they hope to steal market share from Apple and Samsung Electronics.

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  Opinion: Will Apple, Google and Samsung lose the smartphone market?

  Mobile phone competition intensifies. Linux-based platforms are gunning for iOS and Android, and Chinese companies want to price the iPhone and the Galaxy S line out of the market.

• 2012: The year Android truly challenged iOS

  Android 'Jelly Bean,' Samsung's Notes, and Google's Nexuses finally delivered compelling capabilities as Apple stalled

• Patent cases color mobile market, to continue in 2013

  Over the past year, patent battles have been fought by tech companies in courtrooms all over the world. The litigation is far from over though, however, and will continue throughout 2013. This is what's at stake on the patent battlefield in the near future.

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  Nokia Lumia 920: First impressions.

  We had the opportunity to go hands-on with the Nokia Lumia 920 before the device was officially unveiled in Australia last week

• Windows Phone 7: What Microsoft needs next

  The last week has brought nothing but good news for Microsoft and Windows Phone 7. Between Nokia's hardware commitment, Angry Birds on the way and Microsoft's own announcement of a roadmap for vital features such as multitasking, Windows Phone 7 seems to be catching a second wind in 2011.

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  Why Nokia is toast

  It's hard to remember now, but there was a time when Finland was at the center of the cell phone universe. As cell phones overtook pagers, then smartphones overtook cell phones, Nokia was the hottest company in the industry.

• Tablet revolution reality check

  With so much chatter about tablets this year, you might think that the handheld, rectangular devices being unveiled represent a significant innovation. The reality is that so much of what we're seeing is not a whole lot different than what we saw in previous years; these products offer only a few new twists. But those new twists could make the difference between tablets' remaining a niche item and their finally busting out to the mass market in a meaningful way.

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  Text message of 'death' threatens smartphone security

  Security researchers have shown that carefully crafted text messages sent to cell phones via short message service (SMS) can cause them to shutdown without the knowledge of the owner.

• Nokia and Yahoo team up: Does anyone care?

  Screw Android 2.2. Forget the new iPhone. Nokia and Yahoo have some news.

• Nokia voice nav spells doom for TomTom, Garmin

  As Nokia takes on Google with turn-by-turn voice navigation on select smartphones, the worst nightmares of GPS device makers are coming true.

• Nokia launches new assault in patent battle, your move Apple

  If Apple was expecting Nokia to back down and retract its patent lawsuit after Apple countersued, apparently Nokia didn't get the memo. Nokia has launched a fresh assault, filing a new complaint with the United States International Trade Commission (ITC) alleging that virtually every product Apple makes violates seven patents held by it.

• Would Nokia-Palm merger spell doom for WebOS?

  If I had a dollar for every instance of misguided Wall Street speculation, I might be richer than a trader, but let's just imagine that Nokia will acquire Palm, as reported on Friday.

• Does it make sense for Nokia to buy Palm?

  A rumor that Nokia might purchase Palm shot the troubled smartphone company's shares up on Friday and reignited the debate: What should happen to Palm?