Sony releases updated PS3 Firmware 3.56
Sony has released a new updated version of PS3 firmware 3.56. However what changes this revised system update will bring to the console is still not unknown but according to the details issue with respect to hard disk replacement will be fixed.
Many PS3 user reported that the firmware update 3.56 prevents more recently released PS3 models (with 16 MB flash) from being upgradeable to a new hard disk drive.
NOTE: This new update is not mandatory. If you wish to download the update, you can do it manually through system update