FW1.00 DownDate & Helper (prebuilt binary)

 安全出口 → http://www.playstation.jp/psp/

 非常出口 → http://www.playstation.jp/psp/

 To sacrifice yourself. Experimental. Extremely dangerous.
 No warranty. Use on your own risk and responsibility.
 Anything may happen. We recommend you to avoid seeing/downloading/using this.
 Emergency exit -> http://www.playstation.jp/psp/
 * this CAUTION copy from SEC(nem) :p

if you dont know exactly what it does and what you could use it for by looking at the posted code, forget it. you dont need it at all.

Don't use "IPL Data" from "ridge racers's kbooti.bin", it will brick your PSP !!!

on FW1.00 PSP
1. Restore FW1.00 PSP to "Default Setting"
2. copy FW1.50 UpDate EBOOT.PBP to a blank 32MB MemStick's Root(ms0:/)
3. Extract FW100HELPER to MemStick
4. run FW100HELPER on FW1.00 PSP, it will Dump FW1.00's IPL, flash0 and FW1.50's ipl_update.prx to ms0:/FW100DOWNDATE
5. when Finished PSP will restart, put this MemStick to FW1.50 PSP

on FW1.50 PSP
6. Restore FW1.50 PSP to "Default Setting"
7. Extract FW100_DownDate to MemStick
8. run FW100_DownDate, when Finished PSP will restart
9. Restore this PSP to "Default Setting"
10. FW1.50 PSP NOW is FW1.00 PSP ^o^

FW100HELPER.zip (moonlight's "1.50 HELPER" mod.)
FW100_DownDate.zip (prebuilt binary)

Download-Link : http://rapidshare.de/files/25091655/FW100_DownDate_v1.05.zip.html


At 7/06/2006 07:42:00 pm, Blogger eja said...

Great work 0okm!

At 7/07/2006 04:51:00 am, Blogger eja said...

I'm having some trouble:
How many files should I have got from my 1.0 helper file extraction.

Directory 'downdater' with:
empty PRX folder ????
DUMP folder with 212 files in 10 folders. This is not complete ????

Together about 12.1 MB, much more on disk.

Can you help here?

www.psp-hacks.com have the same files.

At 7/07/2006 05:00:00 am, Blogger eja said...


is much more: Properties of DOWNDATER folder 277 files in 12 folders, total 18.6 MB, much more on disk.

But still no PRX files.

At 7/07/2006 06:55:00 am, Blogger 0okm said...

file list on "FW100DOWNDATE.txt" !!!

At 7/07/2006 09:57:00 am, Blogger eja said...

I am sorry! I did not read the manual...


Silly me!


At 7/08/2006 05:56:00 am, Blogger Rob said...

Could the TA-082 use 2.5's ipl with the 1.5 firmware to downgrade successfully?

At 7/08/2006 07:37:00 am, Blogger eja said...

I see it now: Your downdater and helper have totally different files and directories compared to dark_alex's downdater, so I cannot doublecheck the helper files against them. :D

At 7/08/2006 10:47:00 am, Blogger 0okm said...

>> rob
i don't think so

>> eja
what are you talking about ??
they are 99% same !!

At 7/09/2006 11:55:00 am, Blogger eja said...


I checked against dax dump from psp-hacks, directory is different, and Ookm extracts IPL thing during helper time.
Dax extracts IPL thing during downdate time.

My fault: I doublechecked dumps against bad internet sources: one is a 2.00 dump actually, it contains webbrowser prx's. Other bad dump contains typo's in filesnames. 5 files: exceptiorman.prx lflash_fatmt.prx libparse_url.prx pspbtcnf_tbl.txt pspnet_adhoctl.prx .These filenames are wrong!!!

The dax helper files from psp-hacks are ok. The integral GUI app from xtrusion (25MB) is ok.

I tested 0okm downdater on my TA-081 PSP-1000 originally H.

I downdated with dax from 2.60 to 1.50 and with dax from 1.50 to 1.00.

I run Ookm helper app, perfect.

I run 1.50 update, this game cannot start 80020148. UPDATE folder must be all capitals!!

1.50 runs fine now. I run 0okm downdater, works perfect.



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