Things You'll Need
Instructions
Download the custom firmware installation package for the Sony PlayStation 3 Slim onto a computer from one of the many download mirrors available.
Connect a USB flash drive to a computer and click "Open folder to view files" to view the contents of the USB flash drive.
Click the "New folder" option on the USB flash drive window and type "PS3" to name the folder that. Open the folder. Click "New folder" again and type "UPDATE" to change the name of the folder.
Drag the custom firmware installation package into the "UPDATE" folder. Unplug the USB flash drive, and insert it into the PS3 USB port.
Select "System Update" option on the PS3 Slim menu. Select "Update via Storage Media" on the next screen.
Select "Install" to install the custom firmware package on a Sony PS3 Slim. The sensor on the PS3 Slim is now disabled, and package files can be installed directly to the PS3 menu.