6.3X(含6.39)降級6.20程式發布
http://mobiles.gx-mod.com/modules/news/article.php?storyid=96316.39/6.38/6.35/6.31 -> 6.20 Downgrader By Davee, ported to 6.39/6.38 by some1
[這個程式能做什麼?]
讓使用者可以升級官方的6.20更新.
[我如何使用它?]
將壓縮檔內的 "PSP" 資料夾拷到你的PSP記憶卡根目錄下，先執行降級程式它會去執行PSP/GAME/UPDATE/EBOOT.PBP(6.20官方升級檔)如果是 PSPgo 請下載pspgo專用的6.20升級程式。
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)
The source is included in the download package.
Davee - legend. Originally made 6.35/6.31 downgrader
bbtgp - legend. Continued updates to psardumper (pspdecrypt) and the signing application "prxEncrypter".
coyotebean - legend. Coninuted updates to psardumper (pspdecrypt) and large influence and research regarding cryptographics.
kgsws - legend. First application signed and method released.
Silverspring - legend. Lots and lots of info on KIRK where we'd still be in the dark without.
Bubbletune - BTCNF injection code and bits and bobs here ;D
You run the application at your OWN risk. I am not help accountable if you PSP fucks up.
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