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Install PSP Custom Firmware 5.50 GEN-D

The Gen TEAM has just released Custom Firmware 5.50 GEN-D which fixes the troubles that 5.50 GEN-C brings and a bit more. What’s new with 5.50 GEN-D? It allows you to play ISOs and CSOs that require 5.55 or 6.00 firmware without having to patch the eboot.

If have a PSP-3000 / PSP-2000 TA088v3 however, you’re still stuck with patching.

Important: DO NOT attempt to install this on PSP-3000 / PSP-2000 TA088v3. YOU WILL BRICK YOUR PSP IF YOU DO.


  • A PSP with custom firmware installed AT LEAST 5.00 M33-6.  If you’re having problems installing 5.50 GEN-D, read the troubleshooting part below.
  • PSP battery that’s at least 78% full
  • Download: XGen Updater
  • Disable ALL plugins.
  • Back up your save files (so that if they get corrupted, you still have backups)

Recommended update: Install 5.50 GEN-D3 after installing 5.50 GEN-D.

How to install 5.50 GEN-D using XGen Updater

  • Connect your PSP to your computer
  • Extract the XGen Updater to your PC
  • Copy the PSP folder and the 550.pbp file to the root of your memory stick
  • On your XMB, go to Game > Memory Stick to start XGen Updater
  • Select Enter on the screen above
  • Choose Flash install CFW 5.50 GEN-D
  • XGEN Updater

  • After all process is complete, press X. Your PSP will reboot.
  • Congratulations, you’ve just installed 5.50 GEN-D

Important: 5.50 GEN-D2 Patch!

After installing 5.50 GEN-D, you can install the bugfix 5.50 GEN-D2. The changes have been listed on the changelog below.

To install just download 5.50 GEN-D2 and use the same steps above.

How to install 5.50 GEN-D2

  • Extract the 5.50 GEN-D2 files to your computer.
  • Copy the PSP folder to your PSP’s memory stick. (Yes, just drag the whole folder there)
  • Disconnect the PSP from USB
  • Run 5.50 GEN-D2 Updater from under Game on your PSP’s XMB
  • After all process is complete, press X. Your PSP will reboot.
  • Congratulations, you’ve just installed 5.50 GEN-D2.

What do I get with custom firmware 5.50 GEN-D and GEN-D2

Custom Firmware 5.50 GEN-D Features:

  • All features of 5.50GEN-B2 are available.
  • Compatibility with games requiring firmware 5.51 with no additional handling (now, you don’t need Game Decrypter)
  • Compatibility with most of games normally protected and refusing to be ran on a Custom Firmware (Full Metal Alchemist, Soul Calibur, etc). Yoshihiro has created a system to run them and he succeed to make this system more stable and it’s now compatible with all PSP, unlike the 5.50 GEN-C.
  • Possibility to connect at the Playstation Store via MEDIAGO, to retrieve game and goodies without having to install Fake USB or other complicated stuff.
  • Support for 480×272 AVC video playback.

Fixes for Custom Firmware 5.50 GEN-D2:

  • Evangelion Anti CFW patch Fix
  • Fix Wlan TKIP in game loop : pes 2009 , fifa , motorstorm , GTA cw ect….
  • Fix Video Output With 5.5X and 6.X Games like GTA Chinatowns War
  • Fixed recovery menu with make Pandora and make battery normal
  • removed splash screen but you have another spash screen in red color for let you know if the decrypter work .

After installing GEN-D2, How about some Free PSP Games?


If you’re having problems getting the black screen when installing 5.50 GEN-D, you need to reflash your PSP to 5.00 M33-6. If you’re already using 5.00 M33-6, upgrade to 5.50 GEN-B2, then run the 5.50 GEN-D installer:

Requirements for reflashing your PSP to 5.00 M33-6:

  • Extract the Hellcat’s Recovery flasher and copy it to PSP\GAME folder
  • Copy the 500.pbp to the Recovery folder (PSP\GAME\RECOVERY)
  • Run Hellcat’s Recovery flasher from your XMB
  • Reflash to 5.00 M33-6

If you don’t want to reflash, do the following:

  • Restore your PSP to the original settings. No CXMBs, no fonts, etc
  • Format flash1 and reset settings (recovery mode)
  • Set theme to orginal Sony theme
  • Turn off all plugins
  • Reformat memory stick

If it still doesn’t work, just update to 5.50 GEN-B2 before running the 5.50 GEN-D installer.


Dark_AleX – For his M33
Genyus – By GEN

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