Find out what features are included in PS3 system software update 4.20.
An update to the PS3 system software was released on 26 June 2012. If you update your PS3 system, the system software version will be 4.20 and the following features will be updated. In order to download PS3 system software version 4.20, you will need a minimum 200MB of free space on either the PS3 Hard Disk Drive (System Update) or on removable storage media (PC Update).
Main features in system software update version 4.20

Under Settings > [Power Save Settings] > [System Auto-Off], you can now set the amount of time until the system automatically turns off for [Video/TV/Music/Photo] and for [Game/Other Features].

Under Games > [Saved Data Utility (PS3™)], you can now select multiple saved data items, and then either delete or copy them as a group.
When the wireless stereo headset (CECHYA-0080) is connected, you can now adjust the sidetone level for microphone audio. Select [Sidetone] under Settings > [Accessory Settings] > [Audio Device Settings].
In addition, if you use the Wireless Stereo Headset to watch Blu‐ray Disc or DVD movies on your PS3 system, this system software update will also enable virtual surround sound functionality giving you a superior audio experience.
Other new or revised features in version 4.20
Settings
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Find out what's included in the update 4.41 System software explained System software archive