After announcing LTE rollout plans last week, Sprint today announced the first set of devices for its 4G LTE network – Galaxy Nexus, LG Viper and Sierra Wireless Tri-Ne

U.S. operator Sprint has significantly improved 3G service in Puerto Rico and also expanded 4G service by launching its LTE network in Aguadilla, Isabela, Cabo Rojo and Mayagüez. These cities are in addition to Ponce, Coamo and Guayama – which have offered LTE since 2012. 

The European Commission announced addition of 120 MHz to the radio spectrum portfolio for LTE technology, around the 2 GHz band. Currently this band is used for 3G UMTS networks. It is mandatory for EU Member States to open the relevant spectrum by 30 June 2014 at the latest. 

Vodafone Spain has announced the availability of its 4G service in all provincial capitals and in the autonomous cities of Ceuta and Melilla, from April 1. 4G services will be available in more than 220 municipalities, among which are the 80 Spanish cities with over 70,000 inhabitants.

AT&T has turned on its 4G LTE network in eight new markets, with this expansion AT&T LTE is now live in 88 markets covering  more than 135 million people. The added markets include Provo-Orem, Denver, Daytona Beach, York, Milwaukee, Tacoma, Milwaukee and Louisville. 

Huawei expects to double the 4G commercial networks it is building in 2011.