Things You'll Need
Instructions
Click "Start," then "My Computer," then open the removable drive representing your USB memory stick.
Right click, then select "New Folder." Name the folder "PS3."
Open the newly created "PS3" folder, then right click and select "New Folder."
Name the new folder "Update."
Move the "PS3UPDAT.PUP" file into the "Update" folder.
Remove your USB memory stick from your computer and connect it to your PlayStation 3.
Turn on your PlayStation 3 and open "Settings," then "System Update."
Select "Install via Storage Device."
Select your memory stick as the storage device. Your PlayStation 3 will now Install your ".PUP" file as its new updated firmware.