Android likely falls into this camp as well, as mobile phone manufacturers and cellular carriers would not support a mobile operating system with very narrow appeal.
Their monthly fees remain only a fraction of cellular-phone charges, though the upwardly mobile will probably trade up to a handset as soon as they can afford to.
The company's Boost Mobile division, which markets prepaid cellular phone service to young consumers using sports- and music-oriented marketing, has seen excellent growth this year.
Over 170 million people subscribe to cellular service in the U.S., and nearly 80% of consumers between the ages of 25 and 54 have a mobile phone, according to the Cellular Telecommunications and Internet Association.
Pretty much every adult aged 25 to 55 who wants a mobile phone--about 80%, according to the Cellular Telecommunications and Internet Association--already has one.
KDDI, Okinawa Cellular since early October 2011, Smartphone au "IS series" au mobile phone models and three models of six new lineup, one tablet models, one model will launch a communications terminal sequence.
ENGADGET: Fujitsu-Toshiba unveils waterproof Arrows Z ISW11F handset with 13 megapixel CMOS sensor
Greek companies have acquired Albania's fast-growing mobile-phone operator and a licence to set up a second cellular network.
"HD Voice is part of our voice-over-LTE strategy, " said Rinne, speaking at the VentureBeat Mobile Summit in Sausalito, California, speaking of the next generation of cellular phone networks.
In 1993, NTT DoCoMo, Japan's principal mobile-phone carrier, opted for a technical standard called Personal Digital Cellular (PDC), which was incompatible with the Global System for Mobile Communications (GSM), the standard adopted by most of the rest of the world.
T-Mobile, using a Nokia phone, is allowing customers to hop between Wi-Fi and cellular.
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