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pspv1.00 · #1 (**permalink**) 07-08-2006, 12:33 PM

HOW TO USE AND INSTALL DEVHOOK
2.71 EMULATION!!

DO NOT READ THIS DOCUMENT UNTIL YOU HAVE A 1.5fw PSP. THIS DOCUMENT IS USELESS WITHOUT 1.5 FIRMWARE!

Once the downgrade to 1.5 has been done lots of people don't know what to do next. Most annoyingly the newer games say they require an update to 2.5 again before loading. You sure don't want to re-upgrade after getting a nice 1.5fw PSP, so what do you do?

To solve this problem you use Devhook. Devhook essentially loads a different firmware (2.5 in this case) into the PSP's memory and temporarily runs it. This then fools games into thinking you have 2.5fw, but when you turn your PSP off and back on you're back to your 1.5fw. With the 2.5fw you can also use the web browser and all the other nice enhancements.

That's the important part - Devhook TEMPORARILY gets your PSP to use a newer firmware. 1.5fw is still there, but you must TURN YOUR PSP OFF to get back to it.

You're probably also wondering about ISO's. Game piracy is ILLEGAL and you should NOT do it. The only time using an ISO is acceptable is if you travel a lot (like me) and don't want to carry loads of UMD's with you.

There are a few tools that do this but I recommend you use Devhook. Follow these instructions and you'll be fine.

First thing, format your memstick in your PSP so we're starting fresh.

Next download this file:

MOD EDIT: Do not include decrypted firmware files they are illegal

This RAR is basically a Dummies Guide to PSP Hacks - it skips a bunch of little techie steps you have to go through. Extract that RAR, there will be a PSP folder and a DH folder. You must copy these to the ROOT of your memory stick, eg: G:\ is your PSP, you copy them to G:\PSP and G:\DH.

Next make a folder called ISO in the root of your memstick. Copy your game ISO to G:\ISO.

Remove any UMD in your PSP.

Exit USB mode of the PSP and go to the Game menu in the PSP menus (the far right menu). Select "Memory Stick" and hit the X button. Scroll until you find "Device Hook" / "DevHook 0.42 Launcher", and hit X on it.

The PSP starts Devhook with the normal animation.

Devhook loads, this is a black screen with tiny white writing. IMMEDIATELY PRESS THE O BUTTON. If you don't, Devhook will reboot.

You'll get a popup menu. This menu lets you change the options you see in the bottom left of the screen.

Simply go through each option and set the following:

UMD SELECT - Choose the ISO you want
UMD MOUNT - Choose ISO ANYUMD
UMD VERSION - Select 2.xx -> 2.00
FIRMWARE - Select 2.50
CPU CLOCK - Leave this at 222/111
BOOT SELECT - Select reboot XMB

Then choose Start from the menu. Devhook will load, your PSP will reboot, and it will look like nothing happened. This is fine! I like to check Devhook is working and has set defaults before starting. Go to the PSP system menu and check the firmware version, it should say 2.5! Shock! Don't worry, this is what Devhook does.

At this point you know Devhook is working and you can use the features of the 2.5 firmware. You only need to continue if you want to load an ISO.

Turn your PSP off completely, turn it back on. Go back to the firmware check, you'll be back to 1.5.

Put a UMD back in the drive AFTER your PSP is on, any one you like, but don't start the game. Wait for the PSP to recognise it and do the little animation thing where it jumps to the thumbnail of the game in the Game menu.

Go back to Devhook and load it. Quickly press O again, but this time choose the select ISO option only. Pick the iso you copied into G:\ISO earlier, then select Start.

If everything worked ok the ISO will load!

Essentially what Devhook does is redirect all access to the UMD to the ISO, which is why you need a UMD in the drive.

IMPORTANT: When doing this, use an ISO of an OLD game like Wipeout or Lumines. The newer games need some playing around with but Wipeout is guaranteed to work - so if you can't start wipeout, you're the one doing something wrong (ie: not the installation of Devhook etc).

Once you've got this working you'll find everything else much easier. Newer games with need UMDEmulator, patches or similar, but I'll leave that to you to discover. Have fun!

By the way I wrote this guide because i noticed a lot of people did not understand how to install DevHook, Hope I've helped you there

REMEMBER: Game piracy is illegal and hurts developers. The only acceptable use for ISO's is for games you already own.

UPDATE:

MOD EDIT: Do not include decrypted firmware files they are illegal

(2.60/2.70 & 2.71 EMULATION)

xlxmarkxlx · #2 (**permalink**) 07-08-2006, 12:34 PM

thanx 4 helpin out the noobs

pspv1.00 · #3 (**permalink**) 07-08-2006, 12:44 PM

No Probz, Every one deserves the right to learn, Thats how noobs become decent members of the community...

GIGABYTE · #4 (**permalink**) 07-08-2006, 01:10 PM

lol.... i love your guide

PSP4EVER · #5 (**permalink**) 07-08-2006, 01:50 PM

good guide and easy to understand

VAPOR · #6 (**permalink**) 07-08-2006, 03:35 PM

so u need a umd disc in order for the iso to load

smurfman · #7 (**permalink**) 07-08-2006, 04:08 PM

OMG!!!!
so much props for you....it finally worked to play ISO's

thamks m8

pspv1.00 · #8 (**permalink**) 07-08-2006, 06:52 PM

chriscooke109:
I am quite aware of the search button thank you very much.
I did use it, And I found your post, But I didnt think it was good for noobs.
What you offerd was a quick guide, But I feel not going over all of the aspects like I have done, Without making every point about the program you can not achieve 100% success.
Sorry if you feel that yours was the "first".
Its just a guide, i post mine to help others and the community forum.
With less questions from people who dont understand there is less flaiming.
Please understand this.
Any way, Have a nice day..

smurfman, PSP4EVA, GIGABYTE:
Thanks, Im very happy you like the guides and even more happy if they helped you in your quest to play legal back ups.
With your support ill make plenty more guides like this for upcoming apps.

PSPv1.00

P.K · #9 (**permalink**) 07-08-2006, 07:02 PM

OMG

This must of taken ages to type out. I followed chris's guide and it worked fine for me. I suppose this guide is more helpful for noobs

good work

pspv1.00 · #10 (**permalink**) 07-08-2006, 07:05 PM

P.K:
Thanks, I dont mind the time typing if it stops the repeated questions from noobs who carnt get it to work, But i feel this guide is also useful for a first timer as well (not just for the noob

)

PSPv1.00