This tutorial will tell you how to mod on ps3 using a usb!
Step 1) You will need a USB
Step 2) On that USB Create a folder called "PS3" But do not put anything inside of it!
Step 3) Search for a "USB CFG" Or download the one that will be uploaded.
Step 4) Place the "USB CFG" On the "USB" but keep it outside of the "PS3" Folder.
Step 5) Plug the "USB" In the "Right" side of your "USB" Ports.
Step 6) Search for a game or ask a friend for "CFG".
Step 7) Once received "CFG" Do not start a game, simply go into a split screen game and turn playstation network online to "ON".
Step 8) Press the "Back" button on the controller.
Step 9) Enjoy your simple modding tools!
P.S. You will need to repeat Step 6 and 7 each time you turn the "PS3" Off, unless you JTAG/ Mod.
The Files will be provided within the download. (Zip/Rar)