How To: Jailbreak PS3 on 3.66 onlybr =====================br STEP 1: Plug a USB stick into your computerbr STEP 2: Create a folder in the root of the USB stick called PS3br STEP 3: Create a folder inside the PS3 folder called UPDATEbr STEP 4: Download PsgrooveV1 Tool STEP 5: Run as Administrator and click on generate button it will generate PS3.66JBUPDAT.PUPbr STEP 6: Move PS33.66JBUPDAT.PUP to the directory UPDATE that you just created on the USB stickbr STEP 7: Plug the USB stick into your PS3br STEP 8: Navigate to Settings Tabbr STEP 9: Choose System Updatebr STEP 10: Choose Update via Storage Mediabr STEP 11: It will say it found Version 3.66-jbbr STEP 12: Choose OKbr STEP 13: Accept Conditions and Install Updatebr STEP 14: After less than a minute, your PS3 will update, beep 4 times then shut down.