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Tuesday 30.9.2025 / 15:53
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afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > would this work to downgrade?
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would this work to downgrade?
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Vampiric
Newbie
_ 		14. November 2007 @ 17:46 _ Link to this message    Send private message to this user   
Download and decompress the RECOVERY folder

Copy the folder RECOVERY you just downloaded to /PSP/GAME/

Download and unzip the 1.50 Upgrade Eboot, name it "UPDATE.pbp", and put it in the RECOVERY folder

Start your PSP in Recovery Mode, then choose "Run program at /PSP/GAME/RECOVERY/EBOOT.PBP". This will flash the 1.50 EBOOT to your PSP. Don't shutdown the PSP or remove the memory stick until the update is finished.

Once finished, shutdown the psp and restart manually to 1.50



please tell me if this would work
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LeadBaron
Senior Member

2 product reviews
_ 		14. November 2007 @ 17:47 _ Link to this message    Send private message to this user   
Yes, it would work.
[ + quote]
Does anorexia induce constipation?
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Ive become so paranoid, that Im paranoid about my paranoia....
Vampiric
Newbie
_ 		14. November 2007 @ 17:52 _ Link to this message    Send private message to this user   
so i could do this to downgrade to 1.50 without a PB and then i could install custom firmware?
[ + quote]
LeadBaron
Senior Member

2 product reviews
_ 		14. November 2007 @ 18:05 _ Link to this message    Send private message to this user   
That would work if you were already on a custom firmware. But, if the firmware in mind is 3.71 M33, you need a special recovery mode for that.
[ + quote]
Does anorexia induce constipation?
~~~~~~~~~~~~~~
Ive become so paranoid, that Im paranoid about my paranoia....
Vampiric
Newbie
_ 		14. November 2007 @ 18:10 _ Link to this message    Send private message to this user   
sigh... well anyway, i can't get to my recovery menu. I hold R while starting the psp, but it won't work
[ + quote]
LeadBaron
Senior Member

2 product reviews
_ 		14. November 2007 @ 22:31 _ Link to this message    Send private message to this user   
What firmware are you on.
[ + quote]
Does anorexia induce constipation?
~~~~~~~~~~~~~~
Ive become so paranoid, that Im paranoid about my paranoia....
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cee43ja1
AfterDawn Addict
_ 		14. November 2007 @ 22:36 _ Link to this message    Send private message to this user   
official firmware does not have recovery menu. only custom firmwares.
[ + quote]
ps2: v7 scph-39001 - independence exploit - hdloader 0.8c - maxtor 300gb hdd
(+[__]%) psp slim ta-085v1: 6.60 PRO B10
wii (powered by bootmii/priiloader): 4.1u - d2x v10beta53-alt (base 56) - configurable usb loader v70r51/devolution r188 - wd scorpio black 7200rpm 320gig w/ ams venus ds2 enclosure

got a whole lot more to list . . .
afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > would this work to downgrade?
 

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