Four Methods: New firmware (operating system) versions come out for the Sony ™ PlayStation Portable (PSP) often. These updates add new features, but they can also install authentication and security features which make playing older games or installing hacks like Homebrew impossible. Since the release of the PSP a war has raged between Sony and hackers, with each new firmware version being cracked fairly swiftly, so that it can be downgraded. Acer Aspire One Kav60 Recovery Disk Download. Most PSP Slims cannot be downgraded with out a Pandora's Battery (PandoraBatteryCo.com). The easiest and simplest way to run homebrew is by running official firmware 1.5.

PSP Firmware 1. Xilisoft Dvd Creator 7 For Mac Serial Number. 52 File (EBOOT). Please scroll down for the download button. You can downgrade back down to 1.50 by using the MPH downgrader. Download the update data for the PSP-1000/2000/3000 series and save it in the 'UPDATE' folder created in step 2. Save as filename 'EBOOT.PBP' Download.