| akela1979 |
23.08.2011 23:12 |
6.60 OFW Downgrader released!
Вложений: 1
some1 has its Downgrader for OFW 6.60 finally released, so that the stuck on the 6.60 OFW now back at the 6:39 firmware!
6.60/6.39/6.38/6.35/6.31 Downgrader By Davee, ported to 6.60/6.39/6.38 by some1
[ What does it do?]
Allows users who are incontent with their firmware to downgrade to 6.20 using the Sony Updater.
[ How do I use it?]
Copy the "PSP" folder to your PSP. The downgrader is "signed" and can be launched from OFW XMB. You need to copy the 6.20 update to PSP/GAME/UPDATE/EBOOT.PBP and for PSPgo it must be the eflash it is placed on. After setup run the downgrader and follow the onscreen instructions.
[ What does it technically do?]
6.20-6.35: It uses the utility/power exploit to gain kernel access and reboots into the updater with a special PRX running. This PRX uses the pspdecrypt functionality to decrypt the updater PRX when needed. This allows the updater to boot in the newer firmwares.
6.38/6.39: It uses my http_storage exploit to gain kernel access. Basically, http_storage has a vulnerability in it, where I can write -1 to anywhere in memory. (I'll make a post to explain it more in-depth soon)
Цитата:
some1:
Important Note: This kernel exploit was not found by me. It was handed to me by Zecoxao, and it was handed to him by Davee.
Another Important note: You run the application at your OWN risk. I am not held accountable if you screw up your PSP.
After a long wait, here is the port of Davee's to 6.60/6.39/6.38 6.35/6.31 downgrader.
This is a very simple app, just put the desired destination in OFW PSP / GAME / UPDATE, and the app will read the factory installed SAW (aka, the SAW it came with), and allow any updater greater than or equal to this OFW . The range for this has NOT been tested, so I do not know which it is possible to OFWs to downgrade, For Which model, but I've tested from 6.60 to 6:20 and 6:35, 6.39 should also work. If you use the wrong updater, the update itself will error out or go back to XMB.
Change Log:
Added support for 6.60
6.60 Fixed problem that did not allow to downgrade to anything greater than 6.20, thanks to Davee
Allows any updater that is greater than or equal to the factory installed OFW (Has been not fully tested, will most likely work on 500 and up)
Special sauce added by Proxima
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Ну штож, ждем 6.60 LME !
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