Google is rolling out updates for its Nexus One smartphone that enables multi-touch, improves 3G performance and adds other software features.

Verizon said it plans to launch the Motorola Devour, a Google smartphone that syncs contacts and emails with content from Facebook and Twitter, in March of this year.

Sony Ericsson today unveiled the Aspen, an eco-friendly Windows Mobile smartphone, as the company pushes towards greener phones that are safer for the environment.

AT&T reported a 26 percent rise in quarterly profit, spearheaded by data-hungry iPhone users, and detailed plans to beef up its network in preparation for Apple’s new iPad device.

Apple is allowing iPhone owners to use Internet calling services like Google Voice and Skype over AT&T’s 3G cellular network, after the Federal Communications Commission became concerned that blocking those applications could violate open-Internet access rules.

Samsung turned to a profit in the fourth-quarter and said it plans to focus on touch screen devices and smartphones amid a rapidly recovering handset market.

Motorola showed some signs of life by swinging to a fourth-quarter profit, as it outlined plans to launch 20 smartphones, including a Google-powered phone sold directly to consumers, in the coming year.

Faster, more bandwidth-intensive services are entering the wireless communications markets with no end in sight. Big efforts are necessary to make network infrastructures and mobile devices fit to cope with the new challenges. Long term evolution (LTE), in combination with system architecture evolution (SAE), is the next significant steps to master the future, moving mobile communications towards the all-IP environment.

Such fundamental changes need to be accompanied by careful technology development. One of the many items that have to be taken care of is the interoperability between an SAE…

Nokia reported a 65 percent rise in fourth-quarter profits and said it had gained market share in smartphones despite strong competition from rivals Apple and Research in Motion.

LG Electronics reported a fourth quarter profit and said it plans to launch 20 smartphones — most of them running Google’s Android software — amid a recovering global economy and increasing consumer demand.