African wireless service provider Smile has signed Alcatel-Lucent to introduce 4G mobile broadband services to several more sites in Tanzania, and Uganda, extending the agreement signed earlier this year between the companies for the provision of LTE services in Tanzania.

US carrier Clearwire has planned TDD-LTE Network for high demand "Hot Zones" in 31 Markets. New York City, San Francisco, Los Angeles, Chicago and Seattle will be among the 31 cities where the company will launch its LTE network during the first half of 2013. The company will announce the additional cities where it will launch TDD-LTE service at a later date. 

U.S. carrier T-Mobile announced an new Simple Starter value plan yesterday that will cost $40 a month for unlimited talk and text and up to 500MB 4G LTE data and tethering. The new plan will be launched on April 12th. 

AT&T will start selling Nokia Lumia 900, the Windows smartphone, on April 8 for $99.99.  Customers can also pre-order it in cyan or black beginning March 30. The Lumia 900 will be available in cyan blue and a matte black on April 8, with a newly announced high-gloss white version on sale beginning April 22.

South Korea's KT Corp plans to spend 5.1 trillion won (4.3 billion dollars) over five years upgrading its network to meet demand from smartphones and other digital devices.

ZTE has won a USD85 million UMTS contract with pan-India mobile service provider Aircel to build and deploy an advanced SDR-based 3G network.

Vodafone New Zealand has launched 4G LTE services in parts of Wellington. Operator's LTE network is available already in parts of Auckland, Christchurch, Lake Brunner, Queenstown, Wanaka and Taupo.