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It's not safe, I wouldn't risk it. But if you decide to, then let us know how it works out.
Originally Posted by ami4
downgrade with pic board
downgrade with pic board –
i opened a thread for this but got no answer, if someone could point me in the right direction, id appreciate it. i have a pic 18F2855 xbox flasher board, and i have seen there are psgrade hex files to use it as a downgrade dongle, which one would i need for my device? also once hopefully i downgrade to 3.41 which hex file would i use to jb my ps3. basically i just want to find out if those hex files (for jb, psgroove and psgrade) are compatible with my board. thanks for any help.
thanks for the reply, i have checked that zip file already but my board is not there , well im not sure which thread is where i found this link here on psx-scene but it pointed me to this site > PSGrade Hex Collection
so i wanted to see of that payload thats listed there for the pic boards is compatible with mine, as far as psgroove once i downgrade, im leaning towards an illness hex file but still im not sure if its compatible.again any help appreciate it.
You can try, no total brick risk in that. If downgrade is not possible, you'll just turn out service mode with 2nd file Lv2diag.self, and when reboot the system will tell you must restore firmware 3.50 or more by USB \PS3\UPDATE\PS3UPDAT.PUP , I've tested on 2 models CECH-2504A 160Go and no risk but HDD format need.
Originally Posted by ami4
But if you are in 3.55 and downgrade not possible, you'll brick your console.
Is someone tryed the 3.41 (3 5 6) directly in XMB in 3.55ofw ? I've tryed, the PS3 system run the update, but I cancelled when transfert started.
Omnomnom thanks for your help, now i have to see which is psgrade is compatible for downgrade, does any one know? thanks...
Thank you for the answer!!
can someone please post the link to download the files that are working to downgrade from 3.55 please? i mean the lv2diag files. and are you using offcial 3.41 FW or the modified psjailbreak one?
For people who wants downgrade 3.55 slim and don't know if it possible without risk a brick, they can downgrade 3.55 to 3.50 (maybe need a 3.50 mod to be creating) with new Lv2diag.self, and after that, can downgrade 3.50 modded to 3.41ofw with old Lv2diag.self. If downgrade is not possible, just go out service mode with Lv2diag.self and place 3.50 ofw on usb stick \PS3\UPDATE\PS3UPDAT.PUP to restore system.
If someone can create a 3.50 modded, I can try this method, and people want downgrade slim will can try without risk of brick if this method works. I have a new PS3 CECH-2504A that I can return in 7 days if there's a probleme