Complex sentence: It announced a partnership with Microsoft to combine the software giant's web browser and server software with Ericsson's mobile Internet technologies, but the subsequent joint venture was dissolved in 2001 in the fallout from the Internet and telecom crashes.
Split into simpler sentences: It announced a partnership with Microsoft to combine its web browser and server software with Ericsson's mobile Internet technologies. The subsequent joint venture was dissolved in 2001 in the aftermath of the Internet and telecom crashes.