Matt HamblenComputerworld Follow me on Google+

Matt Hamblen covers mobile and wireless, smartphones and other handhelds, and wireless networking for Computerworld.

Android grows in top U.S. smartphone spot, with iPhone second

Google's Android continued as the top smartphone operating system in the U.S. in ComScore's latest ranking, while Apple's iPhone displaced the BlackBerry for second place.

RIM recalls about 1,000 PlayBook tablets

Research in Motion said it has recalled an estimated 1000 PlayBook tablets, indicating a small number had reached customers who were unable to properly load software at setup.

iPhone gains on Nokia smartphones for global crown

Apple's iPhone is inching closer to Nokia's top spot in smartphones globally, according to first-quarter 2011 results reported by IDC on Thursday.

Free Android tethering apps blocked by most carriers

Verizon Wireless, AT&T and T-Mobile are reportedly blocking access to free phone tethering apps on their wireless networks.

Ballmer surprises with Microsoft-RIM partnership

Microsoft will invest in the BlackBerry platform from Research in Motion, becoming the default search provider in BlackBerry browsers and maps, Microsoft CEO Steve Ballmer announced Tuesday.

Verizon, Sprint set to sell new $200 Android smartphones

Verizon Wireless and Sprint said they will start selling new Android-based smartphones on April 28 and May 8, respectively.

Nook Color gets Froyo update and app store

Barnes & Noble announced a major update to its Nook Color tablet that includes access to a new app store, including an e-mail app. The upgrade also features Android 2.2 with Adobe Flash Player.

With iPhone, Verizon, AT&T and Apple all win

iPhone sales at both AT&T and Verizon Wireless were healthy enough in the first quarter of 2011 to suggest that the phone itself is more important than the network it runs over.

Verizon, AT&T 'pleased' with Xoom, Atrix sales, despite analyst concerns

Several analysts have described disappointing early sales for Motorola's Xoom tablet and Atrix smartphone, but Verizon and A&T say they're pleased with customer response to the Android products.

HTC ThunderBolt battery could pose problems for users

While speed tests for the HTC ThunderBolt smartphone show speed improvements, Computerworld also has recorded shorter battery life than what's advertised for the Android device.

IDC: Windows Phone to surpass iPhone by 2015

IDC made a bold prediction Tuesday, forecasting that Windows Phone will surge ahead to become the No. 2 smartphone operating system by 2015 behind Android.

New service puts Amex card on your iPhone

American Express now allows users to make online payments on iOS- and Android-based devices.

Mobile execs: Sprint is down, but not out

AT&T's move to buy T-Mobile -- and the effect it will have on Sprint -- was on the mind of many attendees at the CITA mobile telephony conference this week.

Samsung unveils 8.9-inch Galaxy Tab

Samsung expanded its Galaxy Tab line with a new model with an 8.9-inch screen.

CTIA chief: Common cell phone power supply port coming to U.S.

All U.S. cell phones will have a common USB interface by the start of 2012, CTIA Chairman Dan Hesse told a CTIA audience Tuesday.