Nokia Siemens Networks has completed its acquisition of wireless network assets from Motorola Solutions, paying $975 million in cash. Around 6,900 employees will be joining Nokia Siemens Networks.

Responsibility for supporting customers of Motorola Solutions' GSM, CDMA, WCDMA, WiMAX and LTE products and services - a total of 50 operator customers in 52 countries - has been transferred to Nokia Siemens Networks.

HTC Corporation has announced results for the first quarter of 2011. After-tax quarterly profit was NT$14.83 billion, up 196.8% year-on-year, while revenue had grown for the fourth consecutive quarter since 1Q 2010 to reach NT$104.16 billion, up 174.5% year-on-year.

9.7 million handsets were shipped in the first quarter, up 192% year-on-year and up 6% on the previous quarter.

Microsoft Corp. has announced results for the third quarter of its financial year, the three months ending 31st March 2011.

Revenue reached $16.43 billion for the quarter, up 13% year-on-year, while operating income and net income were up 10% and 31% respectively.

Motorola Mobility Holdings has released its first quarter results for 2011. Revenue was up 22% year-on-year to $3.0 billion, with the mobile devices part of the business generating $2.1 billion. It's still losing money but overall losses were down.

The company shipped 9.3 million mobile devices during the three month period, including 4.1 million smartphones and more than 250,000 XOOM tablets.

Samsung Electronics has announced its results for the first quarter of 2011.

Revenue was up 7% year-on-year to 36.99 trillion Korean won, net income was down 30% to 2.78 trillion won and consolidated operating profit was 2.95 trillion won.