How can I modify/convert my PSP ver. 3.80 all by myself?
My hubby bought my PSP in Mexico. When we tried to put ISO/CSO format games in the mem stick, it wont work. Although the file is in there when we check in the computer, the file doesn't exist when we open my PSP. Someone told me it has to be modified or converted but it's somewhat expensive. Since I do have internet connection at home, I would like to do it myself. But I'm afraid to make mistakes that can ruin my PSP. Please help me solve this problem. I want to know the steps to take regarding this and the best site/modifier I must use. Thanks in advance!
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Your CSO/ISO files should be in your ISO folder in the root of your memory stick. You might have to make this folder if you don't already have it. Also, your UMD mode have to be set to NO UMD REQUIRED, or M33 Driver. You must have Custom Firmware to play ISO/CSO games.
is your PSP modified/CFW? if not it wont play cso or iso games. When u formatted your memory stick it will create ISO folder in the root of the memory stick. you said you created the folder, sounds to me that your not using CFW. this wont work.
If your using CFW/modified then format your memory stick using format option of your psp. Copy the cso/iso files to the ISO folder and that should work.
You cannot play .iso or .cso files (or any homebrew games) on your PSP unless you have firmware 1.5 or a custom firmware. Any "off-the-shelf" firmware such as 4.2 will not support these types of files. They will just show up as "Corrupted Data".
You can go through the process of downgrading your firmware from 4.2 to 1.5, then from 1.5 you may upgrade to a custom firmware such as 5.00 m33-4. Doing so would require a good deal of technical know-how and a LOT of patience. If you do not want to risk ruining your PSP, do NOT try this. Research methods of downgrading such as "Pandora's Battery" and other firmware downgraders.
You were able to download games from the PSP website because they are programmed to play on the current firmware. Even if you were to (somehow) properly convert the .iso or .cso files to an EBOOT.PBP file, it would not run unless you have firmware 1.5 or custom.
The firmware you are talking about is a chiped psp, iso and cso games mean that they have been copied and put on the pc so u can play them for free, but there is one problem u need to 'chip' your psp the way u can do this is get 'pandoras battery' and 'magic memory stick' and chip it, do it manualy from help sites on the internet or get a friend thats psp is 'chiped and ask him to chip yours with his battary and memory stick