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December 26, 2010 // 10:31 pm - This weekend Liquidzigong has released what he calls Prometheus iSO Loader 6.20 TN-A for the PSP handheld. I have not tested this (as I have 5.00m33-6), but I thought it was worth sharing on here.

Great to see newer FW being able to run ISOs, and to know that the PSP hacking scene is not dead.

To quote: So there you are, Kindgdom Hearts running for the first time on a psp go (that’s right, if you have TN Hen and this loader, you can run MORE games than on an official console), and another video showing Monster Hunter Portable 3 running on a 6.20 PSP Go... enjoy

How to install/Run

Put your ISO files in the ISO folder of your memory stick. Unzip the archive in your PSP/GAME folder. Run as any normal homebrew. For TN Hen users, you of course need to run the Hen before that.

If you want to use the M33 driver, you need a copy of isofs_500.prx which is not included in this package. You can get this file from the official firmware, by using PSARDumper

Videos: Prometheus iSO Loader 6.20 TN-A for PSP is Released!

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#28 - MorPs3Kng - January 1, 2011 // 2:00 am
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Nice, I might pick up a new one as I'm still using a 1000 at the moment. Given the choice between getting a 3000 or a Go which one would most prefer? The only real differences I know of are no UMD and the addition of bluetooth for the Go while the 3000 is $30 cheaper and has removable battery.

#27 - PS4 News - December 31, 2010 // 7:52 pm
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Thanks for the update xplozion and +Rep!

I also saw that PSP scener Davee ( has managed to downgrade a PSPgo from 6.31 to 6.20.

Cool news indeed, we will make a separate news post for that once he actually releases specific info or the necessary files though.

#26 - xplozion - December 31, 2010 // 2:15 pm
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TN HEN version B is out!

This is 4G compatible and you no longer need to remove the Memory Stick and restart VSH!

I have attached the HEN.

#25 - OGroteKoning - December 30, 2010 // 10:17 am
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Originally it was discussed to produce a HEN for 6.35, but Total_Noob decided to work on 6.20 as there were more users on the older firmware whis was exploited with Patapon. On Wololo's blog/website, he made the following statement:

"Now, back on the Hen for 6.35. Yes, I’m convinced this will happen. I don’t know when, and I don’t know if it will be a downgrader or a HEN for 6.35, but now that Total_Noob’s Hen is in the wild, people already started reversing it, and it is probably a matter of time before a public solution is made available for 6.3x owners. After all, the Kernel exploit used in this HEN is still here in 6.35."

I am also on 6.31 (for God of War), so I am hopefull that HEN for 6.35 will be coming soon enough.

#24 - Jes03 - December 30, 2010 // 2:36 am
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I'm having a problem. I'm on 6.31... and there is no HEN for 6.31.

Might as well update to 6.35 so I can still get on PSN.

#23 - ligator - December 27, 2010 // 1:46 pm
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Here are tips for those who have problems with the HEN or homebrew:

Important: Some PSP 2000 and 3000 that did not enter the Iso loader and turn off the console, this is the solution:
Once you have loaded the 6.20 TN-A (HEN) and we in the XMB menu (the PSP main menu), Remove Memory Stick. Press Select to enter the VSH Menu and we give 'Restart VSH. "When you are finished restarting the XMB insert the memory card again, and will run the Prometheus Iso Loader.

They have to do this every time they want change game (Reusing P.I.L) or else your PSP's will turn off. Now if you enjoy.

#22 - mattdurrant - December 27, 2010 // 8:13 am
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Amazing, the whole reason I have held out playing Kingdom Hearts is because I want the Go! Right I'm now off to the shops

#21 - PARDES - December 27, 2010 // 6:13 am
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Very very nice.. i have no psp but i am happy to see there are peopele with skills, to make the endusers dreams true.. big thx.

I hope we see a soulotion for the ps3 at 3.55 soon. Anyway.. is there something new ? i know today is the conference.. i hope today is a great day for the ps3 too. Thx All the great Sceners.. and don't listen to the flamers and whiners.

#20 - etnies93 - December 27, 2010 // 3:19 am
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Thank you, i just modded my unmoddable PSP 3004 slim with 5.50 firmware on it. Now my sister is happy and i am happy cuz i have my PS3 modded too

#19 - Jes03 - December 27, 2010 // 1:46 am
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THANK YOU to the dev who make the ISO loader. That's what everyone was after and FINALLY people can run ISOs on the GO.
I unfortunately will have to wait as I updated to 6.31 before I realized I was going to lose a lot of features as I used the GO to access PSN.

There was suppose to be a 6.31 version but it looks like that was wrong. Maybe he might make a 6.31 version later?