KIKY_LALA83
New Member
i accidently upgrade my firmware to from 3.7 to 4.05...
please someone help me.... i want to change to 4.01
please someone help me.... i want to change to 4.01
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Using The Universal Unbricker To Unbrick / Downgrade / Restore Any PSP To 5.00 M33-4
- Thread starter x3sphere
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silver_surfer
New Member
@ KIKY_LALA83:
you need a pandora battery and a magic ms to convert your Official Firmware 4.05 PSP
to CFW 3.90 m33-3 and update to CFW 4.01 m33-2
you need a pandora battery and a magic ms to convert your Official Firmware 4.05 PSP
to CFW 3.90 m33-3 and update to CFW 4.01 m33-2
HiroNakamura777
New Member
is it possible for our psp to get bricked by this? and will it get bricked if i use a psp slim with but im converting a normal psp battery.
I will when I have time to do so. Probably later today. If you already have DC5 installed just follow the instructions in the DC6 readme file. It will install 4.01 M33-2 to your memory stick and replace 3.90 M33-3.
tushyboy793
New Member
Sorry maybe this was already answered but my question is that can I downgrade my 4.05 ofw slim psp without having access to a psp with CFW? I understand the guide on how to do everything but I DO NOT have access to any psp with cfw. I read alot of stuff and they say you need 2 psps to downgrade 1 ofw and 1 cfw. Is it just the battery that counts? Plx help
Hellcat needs to update it, as the latest version doesn't work with DC6. Anyway, the guide has been updated now and tested.
You'll need to buy a Pandora battery then, or have someone else convert your battery. As long as you have that, it's possible to install custom firmware on OFW without access to another PSP.
My psp is a 3.71 M33-4. I took the two files a put them in psp\game. i have a Pandoraed battery hard moded sony 3.6 1200 mAh. I don't think i have a TA-088 v3 because i got mine 1 year ago.
Every time I put on Hellcat's Pandora Installer for 3.XX Rev 3b and try to load it . I can't find it on my psp.
Every time I put on Hellcat's Pandora Installer for 3.XX Rev 3b and try to load it . I can't find it on my psp.
silver_surfer
New Member
@ pspnoob21:
you can't run homebrew from OFW you need pandora kit to convert your psp to CFW
you can't run homebrew from OFW you need pandora kit to convert your psp to CFW
As for the 4.01M33 UNBRICKER, while holding the up button, I found that some magic memory stick response fast but some need to take long time to present the menu screen ( Install 4.01 M33, Install 4.01 OFW, NAND operations, Hardware Info,Test M33, Shutdown, Reboot Device)
. Sometimes the background wil change to diff colour, is it normal?
. Sometimes the background wil change to diff colour, is it normal?
I had the earlier MMS with TM/DC5 installed.
I noticed after installing DC6, DC5 is still there inside the TM folder. It was not replaced, but rather DC6 was adding on top of it.
Could the DC5 folder be deleted away ? My MMS is 256M, I'm terribly short of space.
Further, I noticed also that the new TM/DC6 folder has all its own data, dic, font, gps, kd, net, registry and vsh sub folders.
The data, dic, font, kd, registry and vsh folders originally found in the ms0 root of my earlier TM/DC5 MMS were still there at the ms0 root after the DC6 installation. Are all these files in use during unbricking/upgrading/downgrading process ? Could I delete these seemingly duplicated folders/files ( ms0:/data, dic, font .... ) from the root ?
Could I also delete away the 150.pbp, 340.pbp, 390.pbp, update.pbp (renamed from the 150.pbp) and the 401.pbp after the DC6 installation had finished ?
Thks a lot for your advice !
I noticed after installing DC6, DC5 is still there inside the TM folder. It was not replaced, but rather DC6 was adding on top of it.
Could the DC5 folder be deleted away ? My MMS is 256M, I'm terribly short of space.
Further, I noticed also that the new TM/DC6 folder has all its own data, dic, font, gps, kd, net, registry and vsh sub folders.
The data, dic, font, kd, registry and vsh folders originally found in the ms0 root of my earlier TM/DC5 MMS were still there at the ms0 root after the DC6 installation. Are all these files in use during unbricking/upgrading/downgrading process ? Could I delete these seemingly duplicated folders/files ( ms0:/data, dic, font .... ) from the root ?
Could I also delete away the 150.pbp, 340.pbp, 390.pbp, update.pbp (renamed from the 150.pbp) and the 401.pbp after the DC6 installation had finished ?
Thks a lot for your advice !
From my testing, it's safe to delete the DC5 folder, as well as following updaters (since DC6 only uses 401.PBP):
150.PBP
340.PBP
390.PBP
Not sure about the other folders as I didn't try to delete those.