News In Brief: Giesecke & Devrient, Telenor Hungary, Clearwire, China Mobile, Sony Ericsson

Smartcard manufacturer Giesecke & Devrient has extended its over-the-air SIM and handset management product to cover devices running on LTE networks.
Telenor Hungary is deploying a handset management system from Nokia Siemens that optimizes all devices for its networks, in a bid to cut customer care costs.
US 4G carrier Clearwire has elected a new chairman to replace Craig McCaw who quit on December 31. John Stanton has been a Clearwire director since 2008, and has worked at a number of cellcos and private equity firms over the past 19 years.
China Mobile plans to increase its number of Wi-Fi hotspots to over a million in a bid to reduce churn among subscribers who are dissatisfied by the performance of its 3G network, Bloomberg reports.
Sony Ericsson is suing US carrier Clearwire, alleging the Wimax operator is attempting to gain an unfair competitive advantage by using a logo that is too similar to the vendor's.