Sony Corp. this week said it will release System Software Update v2.57 for the Playstation 4.
System Software Update v2.57 is said to improve system software stability of some features.
Sony sold 2.4 million Playstation 4 units in the fourth quarter.
Between Jan. and Mar., the PS4 sold 2.4 million units and the Playstation 3 sold 400,000 units.
The Games and Network Services division, which includes the Playstation business, held an operating profit of $401 million in Q4 compared to a $156 million loss the year prior.