In this case, a tiff file is used to change the version number to 1.00, after which you’ll be able to update to 1.50. PBP file in X: PSPGAMEUPDATE (where X: is your PSP) and extract the MPH Downgrader zip in your PSP root (main folder). Don’t be afraid, this is just the program doing its work. If it fails to do so, just select the PSP root (main folder) manually. Unzip the Patch SFO EBOOT to X: PSPGAMEPatch SFO and the FW 1.50 EBOOT.

If you are prompted about replacing any files, click ‘Yes to All’. Wait about 30 seconds and restart your PSP (hold your power switch up until it switches off and turn it back on). You’ll then encounter another error, press O to restart. PBP file to X: PSPGAMEUPDATE (where X: is your PSP).

If this method does not work for you, check below for an alternative updating way. After that, we browse to the Photo menu and try to open the HEN_280 folder. At some point the screen will flash in a specific color. Once inside the e Loader application, open Patch SFO and press on X to confirm. This means we can open Easy Downgrader through x Loader in a moment. Congratulations, you’ve now got Firmware 1.50, , a game for the PSP!

u tube updating psp version 3 81-17

Where these applications could initially be run on the 1.50 firmware PSPs, users who updated wouldn’t be so fortunate.

But the community (read: hackers) did not accept defeat.

If your PSP crashes, do a hard reboot and try again. Sony didn’t like this though, so they made sure this wasn’t possible with all next releases and/or firmwares.

At one moment, you’ll get an error message as shown below. You’ll also be able to view the files contained within the folder now. Go to Game - Memory Stickâ„¢ and open the installer (1.50DDfor TA-079~081FW2.80PSP). I only suggest this method if you actually own this game, don’t go running to the store to get a copy.

Instead of enabling people to run homebrew, the PSP hacking groups have started building their own PSP custom firmwares.

Their firmwares are nearly identical to the official ones, only better.Leaks were exploited and one after the other, the firmwares fell.Up to today, neither of the groups have given up, but it is obvious who is winning.It allows you to add the functions and/or applications that Sony did not take care of. When you’re dealing with an open platform, piracy arises.Due to this (and probably some other reasons as well), Sony has been trying to repress homebrew as much as possible.There are a lot of different ways to downgrade your PSP, which one you’ll have to use depends on your current firmware.