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Prometheus 4 550 Gen D3 Download: How to Upgrade Your PSP Firmware


Prometheus 4 550 Gen D3 Download: How to Upgrade Your PSP Firmware




If you are looking for a way to play the latest PSP games on your old PSP model, you might be interested in Prometheus 4 550 Gen D3 Download. This is a custom firmware that allows you to run games that require higher firmware versions on your PSP 1000, 2000, or 3000. In this article, we will show you how to download and install Prometheus 4 550 Gen D3 on your PSP device.




Prometheus 4 550 Gen D3 Download



What is Prometheus 4 550 Gen D3?




Prometheus 4 550 Gen D3 is a custom firmware that was created by a hacker named Liquidzigong. It is based on the official firmware version 5.50, but it has been modified to bypass the security checks that prevent older PSP models from running newer games. Prometheus 4 550 Gen D3 also has some other features, such as:


  • Support for PSN games and DLCs



  • Support for ISO and CSO files



  • Support for plugins and homebrew applications



  • Ability to change CPU speed and brightness



  • Ability to recover from semi-bricks



Prometheus 4 550 Gen D3 is compatible with most PSP games released until 2011, including popular titles such as God of War: Ghost of Sparta, Kingdom Hearts: Birth by Sleep, and Metal Gear Solid: Peace Walker. However, some newer games may not work with this firmware, so you should always check the compatibility list before trying them.


How to Download Prometheus 4 550 Gen D3?




To download Prometheus 4 550 Gen D3, you will need a PSP device that already has a custom firmware installed. If you don't have one, you can follow this guide to install one. Once you have a custom firmware on your PSP, you can proceed with the following steps:


  • Download the Prometheus 4 550 Gen D3 package from this link.



  • Extract the zip file to your computer and copy the folder named "PSP" to the root of your memory stick.



  • Disconnect your PSP from your computer and turn it on.



  • Navigate to the "Game" menu and select "Memory Stick". You should see an icon named "Prometheus-4". Launch it.



  • The installation process will begin. Follow the instructions on the screen and wait until it finishes.



  • When the installation is done, your PSP will reboot automatically. You should now see "5.50 Prometheus-4" on your system information screen.



Congratulations! You have successfully installed Prometheus 4 550 Gen D3 on your PSP device. You can now enjoy playing the latest PSP games on your old hardware.


Tips and Warnings




Before you download and install Prometheus 4 550 Gen D3, you should be aware of some tips and warnings:


  • Make sure your PSP battery is fully charged or plugged into a power source before starting the installation. If your PSP shuts down during the process, it may cause serious damage to your device.



  • Backup your important data before installing Prometheus 4 550 Gen D3. The installation may erase some files or settings from your memory stick.



  • Do not update your PSP firmware after installing Prometheus 4 550 Gen D3. Updating may remove the custom firmware and prevent you from playing newer games.



  • Do not use cheats or hacks while playing games with Prometheus 4 550 Gen D3. Cheating may cause errors or crashes in some games.



  • Do not share or distribute Prometheus 4 550 Gen D3 illegally. This firmware is for personal use only and should not be used for piracy or profit.



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