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.
Requirements:
- 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 | 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
- 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 | 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 http://www.pspgen.com 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?
Troubleshooting:
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:
- Download: Hellcat’s Recovery Flasher | Hellcat’s Recovery Flasher
- 500.PBP | 500.PBP
- 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.
Credits:
Dark_AleX – For his M33
Genyus – By GEN
Tagged with: 5.50, 5.50 GEN-D, Custom Firmware
Filed Under: Playstation Portable


















help nman pOh.. kkainstall ko lang ng 5.50gen d.. dating gamit q ig 5.03 gen c full.. pktpos q iinstall ung 5.50gen d ng black screen lang ung psp q.. please help nman poh …
Umm… nakasulat po itong warning na ito:
Important: DO NOT attempt to install this on PSP-3000 / PSP-2000 TA088v3. YOU WILL BRICK YOUR PSP IF YOU DO.
paNOh POh b mag unbRick ng PSp?? please help nman Poh..
my brother just send me a psp from singapore with system software version 5.50 (as indicated in the system info)…can’t get to play iso & cso games…also doesn’t read it (the game doesn’t appear). what should i do to play downloaded games? can u help me pls…?
by the way it’s psp 3000
Please read this guide: Can my PSP have custom firmware installed?
ih panOH n Poh un maaauz uLit???
mron po akong psp na gen d2 ang nka install.pwede ba ma instolan ng gen d3 without using pandora bateri?pano po ba?
Yep. Just run the XGEN Updater linked on this post.
Thanks for the Instructions! Updating is very well DONE!!
hey noob i got d same problem..plz help me…wat did u do to fix ur psp…?
plz plz plz plz help me guys….plzzz
i also have installed 5.50 gen d via x gen updater and everything run smoothly until it asked me to reboot or shutdown and i chose reboot and then after that everytime i turnthe psp on it automatically run the umd and whnever i go to the homepage keypads dont function anymore except for the volume button.
plz plz help me
i delete my PSP folder in psp memory card help me… i can’t play anay games right now.. however .iso still in folder… help meee