The PS3 sold 13,789 units between May 9 and May 15 to rank No. 3 in overall hardware sales.
By comparison, it sold 20,883 units the week prior.
The hardware ranked two titles in the top 10, including Konami Corp.’s Pro Spirits Baseball 2011 at No. 9.
Sony May 15 restored the Playstation Network division in the U.S.
Additionally, service was restored in the UK, Ireland, Middle East, New Zealand, Australia, Mexico and South America.
The PSN service has not been restored in Japan pending regulatory approval of post-restoration security measures.
The new Firmware 3.61 is a mandatory update that will require PSN users to change their password prior to login of the network.
Sony in Feb. recorded a Q3 profit of $564 million in the Network Products and Services division, a 135 percent increase from the year prior.
The PS3 sold 6.3 million units in the in the third quarter, a decrease of 6.5 million the year prior. The company held a target of 15 million units sold by the end of fiscal Mar. 2011.
The PSP sold 3.6 million units in the same period, down from 4.2 million units one year ago.
PS3 software sold 57.6 million units and PSP software sold 16.5 million units in the quarter.
Sony in Sept. began sale of the Playstation Move controller.