Hacking How to get MGS: Peace Walker to Work

[luke_c]

WORKS FOR BOTH 5.50 GEN-D3 AND 5.00 M33-6
MAKE SURE YOU DO NOT COMPRESS THE ISO OTHERWISE IT IS UNLIKELY IT WILL WORK
MAKE SURE YOU USE A CLEAN ISO IMAGE
WORKS FOR BOTH EU AND US RELEASES

HOW TO PATCH:

Download ISO_TOOL_V1.52_unofficial_by_dan here: http://www.megaupload.com/?d=QNMN9WG0

Unrar it, and place the file in your PSP/GAME folder.

Make sure the MGS game is where it's supposed to be (ISO folder),

Turn on your PSP and start the ISO Tool, then:

Move the cursor onto the iso.
Press X, select decrypt.
It will ask you if you want backup, say no.
It will then ask you version patch say yes
It will then ask you if you want to start, select yes.

Once done, ensure cursor is still on the iso, press x.
Select patch
Select prometheus (not the recover one)
Once done exit out of the app and enjoy!

Credit to riin1979 for the guide and TaZz for informing me of it.

I know for DEFINITE that this method works for BOTH firmwares, so if it's not working for you, you're doing something wrong.

GEN-D3 Configuration Options recommended for Peace Walker:
CPU Clock XMB/Game - Default
UMD ISO Mode - M33 Driver No UMD

For M33, Turn off "Speed up MS access" in the recovery menu before doing the Data Install. You can turn it back on after that's done.

Other Notes: "Freeze" at the end of the prologue mission: Make sure you press R and look around at the end of the prologue mission or you'll think the game is frozen.

For everyone still having issues try this crack:
Metal_Gear_Solid_Peace_Walker_USA_CRACK_PSP-MRN
mrn-mgspw

Should only be applied to Metal_Gear_Solid_Peace_Walker_USA_PSP-pSyPSP release

 

[xist]

You need to confirm which release these instructions will work for...US, EU, or both versions? Additionally whether this will only work on a clean image.

 

[luke_c]

You need to confirm which release these instructions will work for...US, EU, or both versions? Additionally whether this will only work on a clean image.

Added the info to the post

 

[ragingchaosgod]

And my usual question.... GEN C, yes, no?

 

[Jolan]

And my usual question.... GEN C, yes, no?

5.03 GEN-C = 5.50 GEN-D3 in terms of everything except it's not permanent CFW.

 

[Zerousen]

Now to wait an hour to download MGS.

 

[luke_c]

And my usual question.... GEN C, yes, no?

Someone said they got it working on GEN-C via this method, so it should work.

 

[PagaN]

on 5.50 GEN-D3 game start random freezes later in game 40-60min,
only on 5.50 GEN-D2 and 5.0 M33-6 working stable.

 

[luke_c]

on 5.50 GEN-D3 game start random freezes later in game 40-60min,
only on 5.50 GEN-D2 and 5.0 M33-6 working stable.

I'm about three hours in and no problems at all for me, using Eu Promo version, you're probably doing something wrong.

 

[jinqui242]

I followed all the steps and compressed to CSO and it boots up fine. Haven't played yet.

 

[Mikehoncho16]

Having a small issue, I get to the cutscene where the sound effect CLICK comes up, I press R, and then it says its loading, but it sits there for like 5 minutes claiming that its loading, but its not.

 

[ragingchaosgod]

And my usual question.... GEN C, yes, no?

5.03 GEN-C = 5.50 GEN-D3 in terms of everything except it's not permanent CFW.

Thanks! Now I can stop asking that question.

 

[melvox]

Wait! So, this tool applies the prometheus method w/o the long eboot decryption and replacement process? Or is this just for MGSW? (Widely used line coming up!) Sorry for the noobish question. Just want to clear that up.

 

[acturus]

wow, i could not get it to work patching it manually. this worked like a charm!

 

[lithium210]

do you really need to do step 2?

"Once done, ensure cursor is still on the iso, press x.
Select patch
Select prometheus (not the recover one)
Once done exit out of the app and enjoy!"

I used iso tool 1.51, loaded the iso (usa), x to decrypt then (no, yes and yes) and the game loads fine. Been playing for an hour and no problems so far on 5.50 Gen-D3 (slim2001)

 

[melvox]

do you really need to do step 2?

"Once done, ensure cursor is still on the iso, press x.
Select patch
Select prometheus (not the recover one)
Once done exit out of the app and enjoy!"

I used iso tool 1.51, loaded the iso (usa), x to decrypt then (no, yes and yes) and the game loads fine. Been playing for an hour and no problems so far on 5.50 Gen-D3 (slim2001)

wait, you didn't need to use MGSD3FIX? or did you have to use it?

 

[acturus]

do you really need to do step 2?

"Once done, ensure cursor is still on the iso, press x.
Select patch
Select prometheus (not the recover one)
Once done exit out of the app and enjoy!"

I used iso tool 1.51, loaded the iso (usa), x to decrypt then (no, yes and yes) and the game loads fine. Been playing for an hour and no problems so far on 5.50 Gen-D3 (slim2001)

wait, you didn't need to use MGSD3FIX? or did you have to use it?

i used this method and have done the first couple missions without mgsd3fix and have had no issues.

 

[melvox]

AWWWE! And I just shifted to m33.... Darn it! Well time to go back to Gen d3! Thanks for the confirmation acturus!

 

[lithium210]

do you really need to do step 2?

"Once done, ensure cursor is still on the iso, press x.
Select patch
Select prometheus (not the recover one)
Once done exit out of the app and enjoy!"

I used iso tool 1.51, loaded the iso (usa), x to decrypt then (no, yes and yes) and the game loads fine. Been playing for an hour and no problems so far on 5.50 Gen-D3 (slim2001)

wait, you didn't need to use MGSD3FIX? or did you have to use it?

Nope, just ran iso tool 1.51 and thats it. no other patches or cracks but ive only played for an hour and didnt see any glitches or slowdowns, i'll report if it acts strange.

 

[Roxasorg13]

Hey there

i have a prob...
the game randomly freezes when im playing...whats happening__!!!