Finally, the pieces fell in place when someone thought to overwrite the PSP's System Information during this error, so that a PSP running Version 2.0 of the firmware would be fooled into thinking that it was running Version 1.0. In order to install Pro CFW on your PSP, you will need to first update your PSP to the 6.60 Sony firmware (which, at the time of this writing, is the latest firmware released by Sony), if that's not already the case.

Skip this step if you already have Firmware 6.60 installed on your PSP. Finally once you've got 3.80 they've put this really neat feature in there where you can now use the Network Upgrade to update your firmware to the latest available! Simple! Update your PSP To firmware 6.60. Is there any chance of someone guiding me through upgrading a fat PSP from vanilla 1.5 to the latest stable firmware? Sorry in. Most people know of the famous pandora battery technique which will unbrick and/or downgrade a psp's firmware. DO NOT TRY ON OTHER MODELS!! This is designed to remove custom firmware easily and restore a classic 1.5 firmware back to your psp. UPDATE*** ONLY TESTED ON ORIGINAL PSP (OR PHAT MODEL). To do that, download the update file here and follow the instructions in the file description. If (though this is very unlikely) your PSP is still equiped with FW version 1.00, you'll have to upgrade to 1.50. Sadly, we'll need to have firmware 1.50 to install. So we want to install a custom firmware (m33 to be exact). We encourage you to check this page from time to time for system software updates and to always maintain your. Downloading and installing the PSP® (PlayStation®Portable) system software update will update your PSP® system's operating system to include the latest security patches, settings, features and other items.

im on firmware 3.03 oe-c,can i update to latest firmware without going back to 1.5? 5 min - Uploaded by M House3.52 Custom firmware How to m33 Upgrade Files downloadable from mikehacks. 1 - If you are under official 1.50 PSP firmware, copy kxploitpatcher and kxploitpatcher% folders from '1.50only/' of this download to your 'ms0:/PSP/GAME/' and. Right, my friend wants me to do the business with his psp. Required Files: Official Sony Update EBOOT for the firmware you want to.

You MUST understand this before continuing. Any damage done to your PSP is your responsibility and not The Gizmo Shack or any of its employees. When downgrading to 1.50, you will not be able to go back to an Official Firmware above 1.50.

Downgrade psp firmware 6.60 to 5.03