Sony Corp. this week released System Software Update 3.55 for the Playstation 4.
The update is 300MB in size and is said to improve quality of system performance.
Sony in May said sales of the Playstation 4 have reached 40 million units in global markets.
In Q4 2015 the Game and Network Services division, which includes the Playstation business, held an operating income of $785 million, an increase from $448 million the year prior.
The PS4 shipped 17.7 million units in the fiscal year ending Mar. 31, 2016, an increase from 14.8 million the year prior.