PS3 Mandatory Firmware Update 4.66 Released

Sony has officially updated the PS3 firmware to 4.66. This is a mandatory firmware update which is required to be able to connect online on the PlayStation 3. The PS Vita and PlayStation 4 received a brand new update last month and now it seems to be the turn of the PlayStation 3.

You can update it via PS3 through Internet or you can just download it from the given link and put it on a USB and update.

Changelog via Twitter.
System software stability during use of some features has been improved.

Do not update if you want to keep your CFW

Download 4.66 UPDATE

Source : ps3hax.net