Research In Motion is launching a new high-end version of the BlackBerry aimed at its core base of business users, but it hopes the sleek device will also catch on in the broad retail market.

Sprint Nextel and Clearwire are close to announcing a $12 billion joint venture with major cable operators for high speed wireless Internet access for mobile phones and laptops, a source said.

Airports and hotels are looking for new ways to pay for the wireless networks that their customers are demanding.

Sprint Nextel is considering spinning off or selling its Nextel unit, The Wall Street Journal reported on Monday, quoting people familiar with the situation.

Mobile phone maker Sony Ericsson posted sharply lower profits on Wednesday as a slowdown in consumer spending hit its business, but earnings were at the high end of the firm's range and exceeded market expectations.

A weaker economy is forcing U.S. consumers to find ways to lower their telephone bills, likely limiting profit growth for phone companies like AT&T and Verizon Communications.

AT&T said Friday it would cut its work force by 1.5 percent, or 4,600 jobs, primarily affecting management-level employees, resulting in a first-quarter pre-tax charge of $374 million.

Motorola said Monday it has settled all litigation with billionaire investor Carl Icahn ahead of the cellphone maker's annual meeting and agreed to name two of Icahn's nominees to its board of directors.

The European Union on Monday opened the way for air travelers to use mobile phones to talk, text or send e-mails on planes throughout Europe's airspace.

Mobile phone maker Motorola said after U.S. markets closed Thursday that it was cutting jobs and paying severance payments to around 2,600 workers, resulting in a net pre-tax charge in the first quarter of around $104 million.

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Research In Motion reported a fourth-quarter profit that more than doubled and beat expectations, and the company delivered a strong outlook.

Apple's iPhone is in short supply at many of its U.S. stores, which could indicate a component shortage or a clearing of shelves for a new model, analysts said Wednesday.

Motorola plans to separate its struggling handset business from its other operations.

Investor Carl Icahn said Monday he is suing Motorola Inc to force it to hand over documents related to its mobile devices business, and he urged investors to elect his slate of candidates to the Motorola board.