NPD Group has named Apple's iPhone 4S the most popular 4G smartphone, using a definition of fourth generation mobile networks that includes not just LTE and Sprint's WiMax but also the HSPA+ ...

Beyond an icon change, what does the recent AT&T iPhone 4G upgrade mean in the performance department? For those not in the know, the new iOS 5.1, which Apple announced at yesterday's event, when ...

As Everything Everywhere looks to be taking steps towards launching an LTE network in the UK, research group NPD has claimed the standard now accounts for 7 percent of all handsets on the US market, ...