Things You'll Need
Instructions
Open the USB drive and click "File," click "New" and then click "Folder." Type in "PS3" and press the "Enter" key.
Double-click on the "PS3" folder. Click "File, click "New" and then click "Folder." Type in "UPDATE" and press the "Enter" key.
Download the latest version of the PS3 system software and copy the "PS3UPDAT.PUP" file to the "UPDATE" folder.
Remove the USB drive and connect it to the PS3 console.
Connect the PS3 controller cable's mini-USB plug to the PS3 controller and then connect the other end into the PS3 console.
Press the "PS" button to power on the console. Log-in to your user account.
Select the "Settings" icon, select "System Update" from the menu and then press the "X" button.
Select "Update via Storage Media" and press the "X" button.
Press the "X" button to complete the system update. After the console reboots, you can remove the USB drive.