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JailBreak PS3 with an N900 Using PSFreedom By KaKaRoTo!


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209w ago - Update #3: Mohammad Abu-Garbeyyeh has now updated the PSFreedom Nokia N900 port with details HERE.

Update #2: HellReborn has now confirmed it's working on a Nokia N810 with PSFreedom N810 also, and shared a video below!

Update: A PSFreedom Patched version for PS3 game backups is now available courtesy of hopbeat along with the original source code, and remember to add your results to our PS3 JailBreak Game Compatibility List everyone!

Earlier today a few Android PSGroove ports were announced, and now KaKaRoTo has released PSFreedom for those who are seeking to JailBreak PS3 with an N900!

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror)

To quote: "As promised, here's an update on my implementation of the PSJailbreak exploit : IT WORKS!

I made a video to show you, but I suck at making videos, so we can't really see what's going... I'll do a better one tomorrow.

It's 9:30 AM here, and I really need to go to sleep, I'll post more about this tomorrow, and I'll release the code tomorrow for everyone to enjoy, compile, contribute, read, laugh at, etc...

So here's the binary release of PSFreedom (thanks to xnt14 for the name).













I would like to thank 3 people in particular who helped me, encouraged me and helped debug with me : NTAuth, philhug and phire (a.k.a phiren) from EFNet.

So here's how it works.. download the .tar.gz, extract it, copy the files to your n900 (with scp, into /root), then ssh into your N900 and type : ./psfreedom-enable.sh

Then you can follow the usual procedure, unplug the PS3 from power, plug in the N900, connect the power to the PS3, then press power and *quickly* press the eject button... Then just let the magic happen!

Once you're done or want to revert back to the normal operation mode of the N900 (or to charge it) run the command ./psfreedom-disable.sh

In the future, we'll have a nice package to install, a GUI application, I'll make use of the LEDs to show you the status of what it's doing, and I'll have it auto-revert to mass storage mode, so you can use your N900 not only to enable homebrew but also to store your homebrew!

See you tomorrow! Good night!

KaKaRoTo"

F.A.Q.

Q : What is your relationship with the PSGroove project ?

A: PSGroove was released a while ago while I was already working (about 50% done) on PSFreedom. I had help from Mathieulh and Phire from the PSGroove team, who gave me insight on what the jailbreak does. When PSGroove was released, I read its code to understand what it does and to make sure my code worked in the same way. I copied the descriptors and payload from the code of PSGroove, and I give them credit for what they did, and for what I copied from their project.

I set my license to GPL v3 to match theirs, and I gave credits to those who helped me on IRC. However, I say and I insist that PSFreedom is not a port of PSGroove, because I never took their code and ported it to the N900, this is my original work, and I wrote all of its code from scratch. Some of the PSGroove team seem to be in conflict with me because of that, they insist that "if you looked at our code, then it is a without question a port of PSGroove", and I believe we have two very different understanding of the term 'port'.

Q : Can/when is it going to work on the iPhone/Symbian/My phone ?

A: PSFreedom is a Linux driver, so it will only work on Linux-enabled devices.. which means, not on iOS, and not on Symbian, so please stop asking about that!

Q: Will it work on the 770/N800/N810 ?

A: I only did this for the N900, I might port it to other devices, but right now, I cannot give any guarantees to anyone that it will be ported or that it will work on another device... The source code has been released and whoever wants to contribute can go ahead, fork my repository, and send me a pull request when you got something working.

These are linux devices, so yes, it should work, but just like any other device, they use a different controller than the N900, so a little porting will be necessary.

Q: Will it work from a linux PC ?

A: Unfortunately, no, most PCs have a USB controller that only supports Host mode, but you need Slave mode to be able to make this work.

Q: Can I run backups with this ?

A: At the moment, no, I have used the same payload as PSGroove, which means backups are disabled, although someone already released a version of PSFreedom with backups enabled. In the future, I will hopefully make the module load any payload at runtime, this way you could choose between different payloads.

Q: Can you make it easier to use ?

A: Me? No.. someone else? Yes.. there is already someone working on a UI for PSFreedom, and it will be available once it's ready.

Q: What do I need to use PSFreedom on my N900 ?

A: First, you need a N900 (duh) and a PS3 (duh) with firmware 3.41. The N900 should be running the stock kernel (-omap1) not a modified kernel. Then you just need to scp the files to the N900 and run the -enable script.

Q: How much of the source is Nokia N900 specific? Are you using the Linux USB Gadgets library?

A: Very little is N900 specific, I'm using the include/linux/gadget.h if that's what you mean. See next Q/A for more info.

Q: How hard is it to port it to a new device ?

A: Well, I've just separated my code from the N900 specific stuff, so it's quite easy, there are mainly two functions to write, one to get and one to set the USB address.. two other functions that only return some static result depending on the configuration of the controller (the name of the endpoints, and whether the controller supports high speed or full speed mode).

Read the README file provided with PSFreedom, and check the psfreedom_machine.c file for specifics on what to implement.

Q: How can I port it to a new device.

A: Well, first, you need to figure out what controller your device uses, in the case of the N900, it's 'musb'..

Then go to the driver code for that controller (probably in drivers/usb/gadget) and look for 'SET_ADDRESS'. In the case of musb, it was in drivers/usb/musb/musb_gadget_ep0.c. In there it was setting the address to the USB device, so just copy that code into the psfreedom_machine.c to allow setting the address, and add a similar function to be able to retreive the address.

Then add a function to return 0 or 1 depending on whether the controller supports HIGH, FULL or LOW speed mode (go to usb_gadget_register_driver for your controller, and in the first lines, it should validate the speed argument, it will tell you which ones are acceptable), set LOW speed mode to return TRUE only if FULL speed isn't available .

Finally, add a function to return the endpoint names.. it will usually be something like 'epXin' and 'epXout' (where X is the endpoint number), or "epXin-bulk", etc.. look at how the driver initializes its endpoints or grep for "->name" in the file to find where it sets it...

That should be enough!

Ok this is it for now with the FAQ. Next time, I'll tell you all about my experience, what problems I encountered and how I fixed them, maybe it will help others!







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Comments 150 Comments - Go to Forum Thread »

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Pcsx2006's Avatar
#120 - Pcsx2006 - 208w ago
Awesome work KaKaRoTo keep it up.

aamir007's Avatar
#119 - aamir007 - 208w ago
Does the phone have to be connected at all time or can it be removed like the PS Groove?

Is this compatible with any other phones or just the N900 only.

condorstrike's Avatar
#118 - condorstrike - 208w ago
mptools works on Ali and lets you format, and M566x ISP tool lets you upload binary, i'm in the middle of this... hopefully people are too.

angelpol's Avatar
#117 - angelpol - 208w ago
hi guys... so i have a problem...

i backup mirrorsedge on internal and external hard drive (mirros edge is working for sure look at the combatily list) and on the backup manager when i am pressing x to load the backup afer it threw me on the XMB it stills shows to me the original game disk and not the backup one ... what is going on? can somebody who succefully run a backup tell what did i did wrong? thank you!

angelpol's Avatar
#116 - angelpol - 208w ago
thanks PS3news!

one more question... am i going to get banned if i run a backup with this backup manager while i am online? i heard something about a stealth backup manager... plz help

thanks again!

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