Ericsson (ERIC) reported Q4 earnings Friday of 1.44 Swedish krona ($0.13) per diluted share, up from 1.02 krona a year earlier.
Analysts polled by FactSet expected 2.18 krona.
Net sales for the quarter ended Dec. 31 were 72.9 billion krona, up from 71.9 billion krona a year earlier.
Analysts surveyed by FactSet expected 73.68 billion krona.
The company fell more than 7% in Friday's premarket activity.
Price: 8.20, Change: -0.70, Percent Change: -7.87