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Playstation 3 Firmware 4.21 Released July 6, 2012

Posted by Maniac in Game News.
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When running the system update program on the Playstation 3 last night I noticed Firmware 4.21 was released.

No release notes were included with the update, so its unknown what it does, and it is currently not required for access to the Playstation Network.

You can download Firmware 4.21 by using the System Update feature in the Playstation 3’s settings menu.  It’s currently not required to access the Playstation Network but that may be subject to change.