A roadmap of Nvidia’s next chip, the Tegra 4, could also be a blueprint for the internals of future Android and Windows tablets. The Asus Transformer Prime uses an Nvidia quad-core Tegra 3. A faster, quad-core Tegra 4 is coming. (Credit: Asus) If VR-Zone’s Chinese site’s sources speak the truth, then we’ve got plenty of …

T-Mobile USA and Leap wireless said today they plan on exchanging spectrum in several markets …

Screenshot by Jason Cipriani/CNET As of April 8, AT&T is unlocking iPhones. Now, it won’t …

While iOS device penetration is still most prevalent in higher income, urban coastal areas, Apple’s …

The Lumia 900 is off to a nice start — at least on Amazon. Nokia’s …

Until last week, Instagram was exclusive to iOS users. Dubbed the No. 1 app in …

It was a good day for Microsoft and AT&T yesterday, when the carrier opened its …

Microsoft wants consumers to really get its pitch that Windows Phones are more efficient than …

Facebook is acquiring Instagram for $1 billion, covering its flank on mobile photo sharing and …

Editors’ note: This is a guest column. See Roger Entner’s bio below. One thing is …