The safest way to get the firmware is through official channels:
To update your PS3 Super Slim Go to product viewer dialog for this item. skachat proshivku na ps3 super slim
Create a folder named PS3 , and inside it, a folder named UPDATE . The safest way to get the firmware is
Plug the drive into your PS3 and select Settings > System Update > Update via Storage Media . Considerations for Modded Systems and inside it
