Installing Custom Firmware on a PSPStep 6: Install the Custom Firmware (Step 1)On your PSP, go to Game» Memory Stick. There should be an update program in here, if this program doesn't work, or shows up as corrupted, you may ..
Unfortunately, there is no way to downgrade 4.1 right now, well, because, it's not even out.
PSP Official Firmware - Wololo. Downloads. Official Sony Firmware for the PSP Latest Version : 6. Release Date: 2. 01.
Notes for this version. Official statement: .
PlayStation Portable system software; Developer: Sony Computer Entertainment. Besides the official firmware (OFW) made by Sony. First 'universal' firmware version for all PSP models; PSP-1000, PSP-2000. How to downgrade PSP Official firmware 6.60 to 6.20 for all. You need to update it to Official firmware 6.35. DOWNGRADE ALL PSP MODELS FROM 6.60 6.38 6.39 6.35 6.20 TO 5.03 6.20 6.35 6. Download PSP Firmware Update 6.61 Free in Firmware & Bios. PSP Firmware Update - Playstation Portable latest firmware. Since Lot of members still looking where to find/download those PSP Original Firmware ginawa ko ang thread na ito para di na tayo mahirapang mag hanap at maligaw kung san san. Here are all original firmwares for PSP on all.